OK. 80 thousand years ago - the appearance of the first people in the Middle Volga .
2200–1300 BC e. - resettlement of the Balanovo culture tribes in the Chuvash Volga region.
1600 - 1100 BCe. - Habitat in the Middle Volga tribes of the Srubnaya culture .
1350 - 1000 BCe. - the habitat of the tribes of the Abashev culture ;
VIII - III centuries. BC e. - Habitat of tribes of Ananin culture in the left-bank and partly right-bank Middle Volga.
VII - II centuries BC e. - the habitat of the tribes of Gorodets culture ;
The end of the 1st millennium BC.e. - 1 millennium BCe. - the habitat of the tribes of the Late City culture ;
IV — V — appearance and distribution of open settlements and hillforts ;
Bulgarian period
7th-10th centuries
670s - Eastern Bulgars ( Kutrigurs ) arrive in the Middle Volga region from Great Bulgaria led by Kotrag ;
VII — VIII — Bulgarians settle on both sides of the Volga above Samarskaya Luka ;
730s - Suvars migrate from Khazaria to Lower Zakamye ;
730s - the resettlement of the Bulgarians in the Middle Volga region in connection with the Arab expansion into the North Caucasus ;
VIII - the emergence of the Bulgarian Union of Tribes in the Middle Volga;
863 - part of the Suvars that lived within the North Caucasus - Don, under the influence of Arab invasions, moved along the Volga to the Middle Volga;
IX - the foundation of the city of Suvar by theSuvars ;
IX - on the lands of Finno-Ugric tribes between the rivers Sura and Tsivil, Bulgarians arrive - refugees from Khazaria;
IX, the end - from the Middle Volga region, the neighbors of the Bulgars and Suvars - Hungarians - are moving to the Danube ;
IX — X — Suvars dwell on the land between the rivers Sura and Civil ;
X, beginning - the fourth wave of Bulgarian immigrants from the Ciscaucasia and the Sea of Azov to the Volga-Kame in connection with the invasion of the Pechenegs on Khazaria;
Volga Bulgaria
X , the beginning - the Volga Bulgaria state was formed as part of the Khazar Khaganate ;
922 , May 12 - Volga Bulgaria is visited by the embassy of the Abbasid caliphal-Muqtadiir with the participation of the Arab traveler Ibn Fadlan ;
May 922 , May 16 - adoption of Islam by a nobility and part of the population of Volga Bulgaria;refusal to accept Islam by the Suvars , led by Prince Virag ;
965 - Volga Bulgaria receives independence from the Khazar Khaganate , defeated by the army of the Grand Duke of KievSvyatoslav ;
965 - the destruction of the city of Suvar by the troops of the Grand Duke of Kiev Svyatoslav ;
985 - campaign of the Grand Duke of Kiev Vladimir to the Bulgars and Khazars;
1006 - conclusion of a trade agreement between Kievan Rus and Volga Bulgaria;
1120 - campaign of the army of Rostov-Suzdal Prince Yuri Dolgoruky to the Volga Bulgaria;
XII - the first Bulgarian settlements appeared in the basin of Middle Civil ;
1164 - the campaign of the troops of the Grand Duke of Vladimir Andrei Bogolyubsky on the Volga Bulgaria;
1172 - campaign of the army of Vladimir Prince Mstislav Andreevich to the Volga Bulgaria;
1183 - the campaign of the troops of the Grand Duke of Vladimir Vsevolod the Big Nest on the Volga Bulgaria;
1223 - Bulgars and Suvars repelled the troops of the invading Mongol-Tatar army of Subedei ;
1224 - Vladimir-Suzdal Prince Yuri Vsevolodovich signed a peace treaty with the Volga Bulgaria;
1229 - confirmation of peace and the exchange of prisoners between the Volga Bulgaria and the Vladimir-Suzdal principality ;
1229 - defeat of the Bulgarian guard detachments from the Mongol-Tatars on Yaik ;
1232 - collision of the Mongol-Tatars with the Bulgarians ;
1236, May-June - Volga Bulgaria was visited by the Hungarian Dominican monk Julian ;
1236 - the ruin and liquidation of the Volga Bulgaria as a result of the Mongol-Tatar invasion under the leadership of the ruler of the Golden HordeBatu ;
Bulgarian land as part of the Golden Horde
1237 - the city of Veda-Suar was founded by immigrants from the destroyed Bulgarian city of Suvar ;
1239 - the uprising of the Bulgarians led by the princes Bayan and Dzhiku against the Mongol-Tatar invaders;
1240 - the Bulgarian ulus (Bulgarian land) was formed on the lands of the Volga Bulgaria as part of the Golden Horde ;
1240 - Suvars and Bulgars move to the northern regions of the Chuvash plateau ;
1241 - the second conquest of the Bulgarian land by the Mongol-Tatars;
1243 - the lands of the Volga Bulgaria for the second time became part of the Golden Horde;
1340 - the plague epidemic significantly reduced the population of the Horde;
1357-1358 - epidemic of bubonic plague on the lands of the Bulgarian land;
1359 - the beginning of many years of turmoil in the Golden Horde;
1361 - the Horde prince Bulat-Timur ravaged the Bulgarian land and proclaimed an independent Bulgarian principality on its territory ;
1361-1366 - the famine years in the Bulgarian land, the death of a large number of residents;
1366 - a campaign on the Bulgarian land of Novgorod Ushkuyniki led by the boyars Osip Varfolomeevich, Vasily Fedorovich and Alexander Abakunovich;
1367 - invasion of the Bulgarian principality of the forces of the Khan of the Golden Horde of Aziz-sheikh and the defeat of the troops of Bulat-Timur;
1367 - on a large map of the Venetians Francis and Dominic Pizzigani at the site of Cheboksary, an image of the city is drawn without a name;
1374–1375 - predatory campaigns within the boundaries of the Bulgarian land by Novgorod ushkuniki;
1375 - on the third map of the Catalan Atlas on the site of Cheboksary, an image of a city is drawn without a name;
1376 - a campaign on the Bulgarian land of the troops of the Russian princesDmitry Ivanovich and Dmitry Konstantinovich ;
1377 - the troops of the Sarai khan Urus , smashing the city, the village, destroying their inhabitants, subjugated the Bulgarian land;
1391 - the invasion of the army of Tamerlane within the borders of the Bulgarian land, the destruction of a large number of Bulgarians and the removal of property;
1395 - Tamerlane’s new campaign against the Golden Horde and the ruin of Bulgarian land;
1399 - the ruin of the Bulgarian land by the Russian army of Prince Yuri Dmitrievich ;
XIV — XV - continuous settlement of the Bulgarian territories adjacent to the Volga between the rivers Sura and Sviyaga ;
1406-1420 - predatory campaigns on the Bulgarian land of the Horde Temnik Edigey , who destroyed almost all cities and villages ;
1431 - a campaign of ushkuyniki led by Prince Fyodor Pestry to the Volga Bulgarians, the final destruction of the city of Great Bulgar ;
Bulgarian Chuvashs as part of the Kazan Khanate
1438 - the formation of the Kazan Khanate , in which the Bulgarian-Chuvash were assigned to yasak people ;
1459 - on the map compiled by Fra Mauro for the Portuguese king Alfonso V based on earlier maps, the city of Veda-Soir is placed on the site of Cheboksary;
1469, May 19–20 — stay in Cheboksary of the Russian military flotilla led by Governor Ivan Runo ;
1469 - the first annalistic mention of Cheboksary ;
1508 - the first mention of the ethnonym "Chuvash" in sources related to the left bank of the Kazan Volga region;
1510 - the first mention of the ethnonym "Chuvash" in relation to the Bulgarians who moved to Cheptsa ( Besermans );
1521 - the first mention of the Chuvash in Russian chronicles;
1523 - part of the Chuvash temporarily transferred to the citizenship of the Russian state;
1532 , May - popular uprising against the Kazan khan Safa-Girey , in which the Chuvash also participated;
1534 - participation of the Chuvash in the Russian-Lithuanian war (1534-1537) as part of the troops of the Russian state;
1546 - Chuvash revolt against the Kazan authorities, appeal to the Russian state for help in the fight against the Kazan khan Safa-Girey ;
1547 - ousting the administration and troops of the Kazan Khanate from the territory of Chuvashia as a result of a campaign of Russian troops at the request of the Chuvash against the Kazan Khanate;
1549 - in “ Notes on Muscovy ” by the Austrian diplomat Sigismund von Herberstein , the Chuvash are mentioned for the first time in Western literature;
Chuvashs in the Russian Empire
1551-1613
1551 , June - the entry of Chuvashia into the Russian state ,
1552 - foundation of the city of Alatyr by Ivan IV the Terrible;
1552 , March - Chuvash uprising against the Russian state;
1552 , October 2 - participation of the Chuvash during the capture of Kazan by the army of Ivan IV , the fall of the Kazan Khanate ;
1555 , July 23 - a fortress was laid in Cheboksary - the Cheboksary Kremlin - to protect the southern borders of the Russian state; created Cheboksary County ;
1555 - a list of theVladimir Icon of the Mother of God was brought to Cheboksary by the first archbishop of Kazan and Sviyazhsky Gury ;
1558, May 25 - an English traveler and diplomat Anthony Jenkinson , traveling along the Volga, approached Cheboksary;
1559 - the whole city of Cheboksary burned down from a fire;
1566 - the Holy Trinity Monastery is created on the territory of the Cheboksary Posad ;
1567, summer - in the Chuvash districts the crop dies from the invasion of locusts ;
1571 - uprising of the Mari, Chuvash, Tatars and Udmurts against the tsarist authorities;
1578 - the construction of the fortifiedTetyushi - Alatyr - Temnikovline was begun;
1584 - between the Cheboksary Kremlin and the Holy Trinity Monastery, the St. Nicholas Monastery was founded;
1589 - the settlement Tsivilsk was founded;
1590 - the settlement of Yadrin was founded;
1591 - the settlement of Poretsky was founded;
1601 - from natural disasters (continuous rains, summer frosts, snow fell on September 1) , a crop dies in Chuvash counties;
1606 - participation of the Chuvash in the peasant uprising of Bolotnikov , which swept Cheboksary, Tsivilsk, Alatyr, Kurmysh and Sviyazhsk ;
1607 - suppression of a peasant uprising on the territory of the Chuvash counties by troops loyal to Tsar Vasily IV Shuisky ;
1608 , summer – winter — participation of the Chuvash peasants in the uprising that swept Cheboksary, Tsivilsk, Kurmysh , Kokshaysk , Kozmodemyansk and Sviyazhsk ;
1608, December 22 - the suppression of a peasant uprising in the Chuvash districts by the troops of the Kazan governor F. I. Sheremetyev ;
1609 , summer – autumn — participation of the Chuvash peasants in the uprising of the Volga Cossacks , who occupied Cheboksary and besieged Sviyazhsk ;
1610, January - a detachment of Prince BoyarR. F. Troekurov arrived in Cheboksary from False Dmitry II ;
1611 - 1612 - participation of the Chuvash in the fight against the interventionists in the militia led by Kuzma Minin and Dmitry Pozharsky ;
1613-1721
1615, May - Prince A.V. Sitsky and clerk C. S. Oboturov , who came to collect pyatina, faced a protest from the Cheboksary posad people;
1620 - the first mention of Sundyr ;
1636, August 8 - stay in Cheboksary by the German scientist and traveler Adam Olearius ;
1651 - the stone Vvedensky Cathedral was built in the city of Cheboksary;
1659, July 9 - a fire destroyed almost the entire city of Cheboksary ;
1669, July 2 - the Russian warship Orel with the Dutch traveler Jan Streis on board made a stop in Cheboksary;
1670 - 1671 - participation of the Chuvash peasants in the Peasant War led by Stepan Razin ;
1671 - the settlement of Kozlovka was formed ;
1672 - from the west of the city of Cheboksary, on the banks of the Volga, the Spaso-Preobrazhenskaya Gerontievsky male deserts were founded;
1672 - Chuvash and Mari peasants attacked Cheboksary;
1675 - the Tikhvin Monastery (Tsivilsk) was formed ;
1690 - a fire in Cheboksary, the Cheboksary Kremlin , a prison and many wooden buildings burned down;
1692 - the Church of the Nativity of Christ was built in Cheboksary with a bell tower;
1698 - the new Cheboksary Kremlin was built ;
1700 - Sretensky Monastery is built from the south of the city of Cheboksary;
1703 - the Dutch traveler Cornelis de Bruyne , passing by Cheboksary, makes a record of the picturesque city;
1704 - a fire in Cheboksary, the Cheboksary Kremlin burned down;
1708 - the territory of Chuvashia is included in the established Kazan province , the abolition of the Cheboksary district;
As part of the Russian Empire
1721-1855
1719 - 1724 - enrollment of the Chuvash population from the category of yasak people into the composition of state peasants ;
1722, June 1 - Emperor Peter I visited Cheboksary;
1727 - restoration of the Cheboksary district as part of the Kazan province;
1737 - the beginning of the plague epidemic in the Volga region (1737-1739);
1740 - the beginning of the mass baptism of the Chuvash ;
1741 - in the village of Hombus-Batyrevo,Simbirsk province, Kazan province, a wooden church was built - the first for baptized Chuvashs;
1755, February 20 - the shooting of the Chuvash peasant migrants who spoke at the Mosolovy metallurgical plant in Nyazepetrovsk ;
1758 - a major fire in Cheboksary;
1758 - the Church of the Resurrection of Christ was built in Cheboksary;
1760, July — August — stay in Cheboksary of a Russian statesman and writer G. R. Derzhavin ;
1767 , June 5 - Empress Catherine II visited Cheboksary;
1767 , June 9 - Empress Catherine II visited the city of Alatyr ;
1769 - publication of the St. Petersburg Academy of Sciences "Works belonging to the grammar of the Chuvash language" - the first textbook of the Chuvash language;
1771 - plague epidemic in the Volga region;
1773, April 30 - a major fire in Cheboksary, which destroyed most of the city;
1774 - the participation of the Chuvash peasants in the Peasant War led by Yemelyan Pugachev ;
1774 - stay in Cheboksary of the German traveler-scientist I. G. Georgi ;
1780 - the establishment of the Simbirsk province ;
1789, August 30 - a small public school was opened in Cheboksary;
1797, June 13 - stay in Cheboksary of the Russian writer A. I. Radishchev ;
1798, May 23 - Emperor Paul I visited Cheboksary;
1806, July 4 - the creation of the fire department of the city of Cheboksary;
1808, January 10 - the mission of Iakinf (Bichurin) arrived in Beijing ;
1812 - participation of the Chuvash in the Patriotic War ;
1816 , August 30 - the opening of the first county school in Cheboksary ;
1816 , September 28 - opening of a religious school in Cheboksary ;
1831 - Chuvash settlements were affected by the first cholera epidemic in Russia ;
1833, September 4 - the writer A.S. Pushkin visited the city of Cheboksary;
1840 - Rector of Kazan University N. I. Lobachevsky acquires an estate in the village of Belovezhskaya Sloboda ;
1842 - Akramovsky rebellion ;
1848 - Chuvash settlements were affected by the Third Cholera Epidemic in Russia;
1851 - the Russian writer L. N. Tolstoy passes through the Chuvash villages towards Kazan;
1853-1854 - cholera epidemic;
1855-1917
1868 - foundation by I. Ya. Yakovlev of theSimbirsk Chuvash teacher’s school ;
1871 - creation of the Chuvash script based on the Cyrillic alphabet ;
1873 - in the village of Khodary, at the initiative of I. N. Ulyanov , an elementary foreign school was built ;
1892 - famine in Russia (1891-1892) covers the territory of the Chuvash;
1893 - founded by the working village of Ibresi ;
1893 - opening of the Shikhran railway station;
1894 - opening of the railway line Ruzayevka - Shikhrany - Sviyazhsk of theMoscow-Kazan railway ;
1899 - Treasury wine warehouse No. 3 was founded in Cheboksary;
1906, January 1–6 - Abashevsky uprising ;
1906 , January 8 - publication in the city of Kazan of the first Chuvash newspaper “ Kanash ”;
1907 , February11–23 - Chemeevsky uprising ;
1908, March 6 - in Alatyr, the first cinema in the Chuvash Republic began to operate in the building of the noble assembly;
1913 , spring - Athenian uprising ;
1913 - The Moscow-Kazan Railway Company began construction of the Arzamas - Shikhrany railway line;
1914 - the construction of the Mokrinsky railway bridge was started;
1914 - the first cinema in Cheboksary was opened;
1916 - foundation of the railway station Schumerlya ;
Chuvashia after the fall of the monarchy
Chuvashia after the 1917 revolutions
1917, March - the Ufa Chuvash National Society emerged under the chairmanship of G. I. Komissarov ;
1917, March 22 - the first train rode along the Mokrinsky railway bridge;
1917 , April 10 - the first issue of the Cheboksarskaya Pravda newspaper;
1917, April 13 - the formation of the Cheboksary Council of workers, soldiers and peasants' deputies ;
1917, April - formation of the Alatyr Council of Workers 'and Soldiers' Deputies;
1917, May 15 - participation of the Chuvash representatives at the First Congress of Non-Russian Nationalities of the Volga Region in Kazan ;
1917, May 28 - The Cheboksary Council decided on an eight-hour working day;
1917, June - the formation of the Yadrinsky Council of Peasant Deputies;
1917, June 20–28 - The First All-Chuvash National Congress in Simbirsk ;
1917, October 17 - Cheboksary Bolsheviks issued a notice on the creation of a county party organization;
1917, October 30 - transfer of power in Cheboksary to the Council of Workers', Soldiers' and Peasants' Deputies;
1917, November - the appearance of the cell of the RSDLP (b) in the city of Mariinsky Posad ;
1918 - the Vurnara railway station was built;
1918 , January 27 - foundation of the Chuvash Drama Theater in Kazan ;
1918, April 1 - 1st Cheboksary County Conference of the RCP (B.);
1918, April 26 - People's Commissar for Nationalities of the RSFSR I. V. Stalin proposed the creation of the Chuvash Republic with its capital in the city of Cheboksary ;
1918, April 27 - the formation of the Chuvash department under the People's Commissariat for Nationalities of the RSFSR ;
June 1918, June 9–13 - I Chuvash Workers and Peasants Congress in Kazan ;
1918, June - a military aviation school was opened in Alatyr;
1918, August 6 - the Alatyr group of troops of the Eastern Front of the Red Army was formed with headquarters in Alatyr;
1918, August 12 - the Shikhran group of troops of the Eastern Front of the Red Army with headquarters in Shikhrany was formed ;
1918, August - the Alatyr group of troops of the Eastern Front of the Red Army repels the offensive of the whites near the villages of New Aybesi , Bichurga-Baishevo , Bolshoy Batyrevo , Yalchiki ;
1918, August - units of the Sviyazh group of troops of the Eastern Front of the Red Army operate in Kozlovka, Urmara , and Turlem ;
1918, August 25 - a detachment of White Guards appeared at Kirye’s junction;
1918, August 27 - a detachment of Lieutenant General V.O. Kappelof the KOMUCH People’s Army captured the Turlem station ;
1918, August – September — on the Cheboksary – Sviyazhsk section, the vessels of the Volga military flotilla with L. D. Trotsky aboard the destroyer “Durable” participate in the Kazan operation ;
1918, September 6 - Kurmysh anti-Soviet rebellion suppressed;
1918, September 6 - the transition of units of the Eastern Front of the Red Army , incl. in Sviyazhsky, Alatyrsky and Shikhran areas, from defensive battles to the offensive;
1918, September 8 - The Shikhran group of troops of the Eastern Front of the Red Army launched an offensive, freeing the villages of Big Batyrevo , Big Yalchiki ;
1918, October 31 - the formation of the Chuvash section under the Kazan Provincial Committee of the RCP (b);
1918, November 30 - formation of the Chuvash section at the Simbirsk city organization of the RCP (b);
1919, May 1 - Chairman of the All-Russian CECM. I. Kalinin arrived in Alatyr with an agitation train and spoke at a rally of workers;
1919, July 9 - the stay in Cheboksary of a member of the State Education Commission N.K. Krupskaya and Commissioner of the Central Committee of the RCP (B.) And SNK of the RSFSR in the Volga Region V. Molotov ;
1919, August 26 - the 54th RKKA Rifle Division is formed in Alatyr in the amount of 18 thousand people (chief K. I. Kalnin );
1919 , September - a radio station was built in Cheboksary to receive information from the Russian Telegraph Agency ;
1920, June 18 - the All-Russian Central Executive Committee adopted a resolution according to which Kozmodemyansky , Cheboksary , Tsivilsky and Yadrinsky counties were included in the Nizhny Novgorod province ;
Chuvash Autonomous Region
1920 , June 24 - the formation of the Chuvash Autonomous Region ;
1920 , June 24 - the formation of the Revolutionary Committee of the Chuvash Autonomous Region ;
1920 , July 12 - the Chuvash Regional Committee of the RCP (B) ;
1920, September - several volosts of the Kurmysh district went to the Chuvash Autonomous Okrug;
1920, November 7-17 - in the Perekop-Chongar operation of the Red Army against the Russian Army, General P.N. Wrangel , the Kazan brigade formed from the Chuvash participates;
1920 , November 7–11 - I Chuvash Regional Congress of Soviets ;
1920 , November 12 - the Chuvash branch of the State Publishing House of the RSFSR ( Chuvashgiz ) was established;
January 1921 , January 19–31 - Chapan revolt ;
1921 , February 12 - opening of the Chuvash Central Museum ;
1921, February 12 - creation of the Society for the Study of the Local Territory ;
1921, spring - forest fires destroyed 43 thousand acres of forest (7% of the total forest area of the region);
1921, September 22 - instead of a number of villages of the Shemurshinsky volost and Tsivilsky district , some villages of the Tetyushsky and Buinsky cantons of theTatar Autonomous Soviet Socialist Republic were added to the region;
1921 , spring — summer — drought leading to famine ;part of the population moved to Siberia;
1921, October 28 - a number of villages and volosts of the Cheboksary district were transferred to Mari AO ;
1921, December - a delegation of the International Federation of Trade Unions headed by the member of the British Parliament James O'Grady arrives in the starving Chuvashia;
1922, May 13 - representatives of the American Relief Administration arrived to organize relief for the starving in Cheboksary;
1922, August 11 - meeting in Cheboksary of representatives of Mezhrabpom who came to help the starving, including Antonin Yanoushek ;
1922 - SNK of the RSFSR granted the Chuvash Oblast Executive Committee the right to send at least 100 people annually to study at universities of the RSFSR;
1923, March - at the Cheboksary experimental demonstration school-commune named after III International created the first group of pioneers in Chuvashia;
1923 , August 19 - participation of the Chuvash Autonomous Region in the All-Russian Agricultural and Handicraft Exhibition in Moscow;
1924, June 12 - The Presidium of the All-Russian Central Executive Committee authorized the transfer of the village of Shumerlya and the station of Shumerlya from the Sergach district of the Nizhny Novgorod province to the Chuvash Autonomous Region ;
1924 - the release of the first issue of the Chuvash journal Suntal ;
1924 - the creation of the Chuvash national choir ;
1925 , March 18 - the first issue of the satirical magazine Kapkun ;
Chuvash Autonomous Soviet Socialist Republic
1925-1934
1925 , April 21 - the transformation of the Chuvash Autonomous Region into the Chuvash Autonomous Socialist Soviet Republic ;
1925 - excavation of the Abashevsky burial ground in the Cheboksary district, the discovery of the Abashev culture of the Bronze Age;
1925, July 20 - the city of Alatyr and Alatyr , Kuvakinsky and Poretsky volosts of theAlatyr district of theUlyanovsk province were transferred to the Chuvash Autonomous Soviet Socialist Republic;
1926, June 22 - the foundation of the film studio " Chuvashkino ";
1926, June 22 - screening of the first Chuvash feature film " Volga rebels ";
1926, July 6 - the first All-Chuvash Olympiad was held in Cheboksary;
1926, October 9 - the village of Novye Chukaly of the Ulyanovsk province was transferred to the Chuvash Autonomous Soviet Socialist Republic;
1926, October - the first broadcast was made in Cheboksary (in Russian and Chuvash);
1926 , January 31 - The I Congress of Soviets of the Chuvash Autonomous Soviet Socialist Republic adopted the Constitution of the Chuvash Autonomous Soviet Socialist Republic ;
1927, September 5 - according to the decree of the Presidium of the All-Russian Central Executive Committee, the Chuvash Autonomous Soviet Socialist Republic was zoned and divided into 17 districts;
1928, summer - the first appearance of civil aircraft in the sky of Chuvashia;
1929, April 9 - the village of New Ishino moved from the Tatar Autonomous Soviet Socialist Republic to the Chuvash Autonomous Soviet Socialist Republic;
1929 , June 26 - the beginning of the construction of the Kozlovsky house-building plant ;
1929, June 26 - performance of the Chuvash State Choir in a gala concert at the Bolshoi Theater of the USSR;
1929, July 15 - the entry of the Chuvash Autonomous Soviet Socialist Republic into the Nizhny Novgorod Territory ;
1929 - the first issue of the magazine for schoolchildren in the Chuvash language " Hatur pool ";
1929 - foundation of the Shumerlinsky factory of specialized cars ;
1930, February 12 - villages of the Alatyr region were transferred to the Mordovian Autonomous Region: Baevo , Mirensky , Polyanka (Turgenevsky) ;
1930, February 14 - the villages of Poretsky district were transferred to the Mordovian Autonomous Region: Baryskovo , Zhabino , Muravei , Napolnoe , Nizovka , Ryndino , Old Ardatovo , Studenets , Turdakovo , Urusovo ;
1930, March 15 - the foundation of the Vurnarskiy phosphorite plant named after9th anniversary of Soviet Chuvashia ;
1930 , June 10 - opening of the Chuvash State Pedagogical Institute ;
1930 , August 18 - the formation of the Chuvash Integrated Research Institute ;
1931 - the first issue of the literary, artistic and critical almanac " Tractor " was released;
1931 , September 1 - opening of the Chuvash Agricultural Institute ;
1932 , April 3 - the beginning of the work of the Chuvash Theater of Young Spectators ;
1932, May - for the first time in Cheboksary the first stage performance of the symphony orchestra was given ;
1932, July - the first Chuvash Olympiad of Arts ;
1933, February 17 - the first sound cinema in Chuvashia was opened in Cheboksary;
1933, July - the Karakum route runs along Chuvashia;
1933, September 11 - the Polish aircraft PZL.19 crashed near Yadrin with Cheslav Filippovich and Jozef Levanevsky on board;
1934-1941
1934, March 10 - the Cheboksary Republican Aero Club was organized;
1934, April 28 - the return of the settlements of Napolnoe , Nizovka , Ryndino and Studenets from the Mordovian Autonomous Region to the Chuvash Autonomous Soviet Socialist Republic;
1934 , June 11–13 - I Congress of the Writers Union of the Chuvash Autonomous Soviet Socialist Republic ;
1934 - the first transport flights were organized along the route Nizhny Novgorod - Cheboksary - Nizhny Novgorod;
1935 , June 27 - Awarding of the Chuvash ASSR with the Order of Lenin ;
1935 , July - I Congress of the Union of Artists of the Chuvash Autonomous Soviet Socialist Republic;
1936, April 5 - from the Tatar Autonomous Soviet Socialist Republic to the Chuvash Autonomous Soviet Socialist Republic the settlements of the Vorobyevsky village council were transferred (the village of Vorobyovka and traveling);
1936 - creation of the Chuvash State Philharmonic Society ;
1936 , June 16 - foundation of the Kanash Car Repair Plant ;
1936, July 7 - The Chuvash State Choir takes part in a concert in the Kremlin, among the audience was Secretary of the Central Committee of the CPSU (B.) I. V. Stalin;
1936, August 1 - The Presidium of the All-Russian Central Executive Committee approved a list of 25 districts of the ChASSR;
1936, August 20 - from the Tatar Autonomous Soviet Socialist Republic to the Chuvash Autonomous Soviet Socialist Republic the settlements of the Kurochkin Village Council (the villages of Gogolikha and Kurochkino ) were transferred;
1936 , December 5 - the abolition of the Gorky Territory and the subordination of the Chuvash Autonomous Soviet Socialist Republic directly to the RSFSR ;
1937, February 22 - the beginning of the construction of the Kanash-Cheboksary railway line;
1937, June - XVIII Chuvash Regional Party Conference, speech by M. M. Sakhyanova ;
1937, July 9 - The Politburo of the Central Committee of the All-Union Communist Party of Bolsheviks (B) approved in the Chuvash Autonomous Soviet Socialist Republic the limit of kulaks (86/676), criminals (57/201) intended to be shot and deported;
1937 , July 18 - adoption of the new Constitution of the Chuvash Autonomous Soviet Socialist Republic;
1937, September 29 - October 7 - XIV Chuvash Regional Komsomol Conference, speech by O. P. Mishakova ;
1937, December 8 - stay of pilot V.P. Chkalov in Kanash ;
1937, December 12 - in the elections to the Supreme Soviet of the USSR among the elected in the Chuvash Autonomous Soviet Socialist Republic pilot V.P. Chkalov and military commander P.I. Pumpur ;
1938 , April - the beginning of the construction of the “ Object No. 532 ” enterprise near Cheboksary;
1938, June 26 - elections to the Supreme Council of the RSFSR and the Supreme Council of the Chuvash Autonomous Soviet Socialist Republic ;
1938, October 23 - the village of Akhmetovo was transferred from the Tatar Autonomous Soviet Socialist Republic to the Chuvash Autonomous Soviet Socialist Republic;
1939, January 1 - the first freight train arrived at Cheboksary station;
1939, June 6 - the first taxis — M-1 cars — began to run along the streets of Cheboksary;
1939, September 7 - the village of Chuvash-Otary from the Chuvash Autonomous Soviet Socialist Republic was transferred to the Mari Autonomous Soviet Socialist Republic;
1939 , September 17 - foundation of the Chuvash State Art Gallery ;
1939, October 13 - fishing grounds between the Chuvash Autonomous Soviet Socialist Republic and the Mari Autonomous Soviet Socialist Republic were divided along the Volga river;
1939, November 19 - conviction by the Military Tribunal of the Military Military District in the case of the Chuvash "bourgeois-nationalist organization" ;
1940 , January 1 - the Kanash - Cheboksary railway line was put into continuous operation;
1940, April 7 - tanker S. N. Butyakov was the first of the representatives of the Chuvash people to become the Hero of the Soviet Union;
1940, April 22 - the fruit-growing plant of the People's Commissariat of Industry of the Chuvash Autonomous Soviet Socialist Republic was organized;
1940 - the building of the House of Soviets of the Chuvash Autonomous Soviet Socialist Republic was commissioned;
1941, February 13 - The Military Tribunal of the Military Military District softened the sentence against the leaders of the Chuvash "counter-revolutionary bourgeois-nationalist organization";
1941—1953
1941, July - in Sumerl, an aircraft factory No. 471 was organized on the basis of a woodworking plant;
1941, August - evacuated equipment arrived in Kanash from the Darnitsky , Zhmerinsky , Borisoglebsky and Shevchenkovsky car repair plants with workers and employees of the plants;
1941 , September 5 - October 25 - the formation of the 324th Infantry Division on the territory of the Chuvash Autonomous Soviet Socialist Republic;
1941, October 28 - the beginning of the construction of the Sursky line of defense ;
1941, autumn - Cheboksary ribbon-weaving factory was founded;
1941, autumn - the 3rd aviation school of primary education was relocated from the city of Stalinogorsk to Ibresi ;
1941, November 4 - a German bomber ( Ju-88 or He-111H ) dropped 22 bombs on Cheboksary and its immediate vicinity;
1941, November 20 - fighter pilot B. M. Vasiliev was the first of the representatives of the Chuvash people to become the Hero of the Soviet Union in the Great Patriotic War;
1941, December - the Cheboksary Electrical Equipment Plant was founded;
1941, the end - a stay in the village of Chuvarley Alatyrsky district, a member of GKO K.V. Voroshilov ;
February 11, 1942 - a ribbon-weaving factory was commissioned in Cheboksary;
1942 , March 27 - from the Kanash car-repair plant to the front the armored trains "Komsomol of Chuvashia" and "For the Motherland!" Were sent;
1943, January - Lieutenant A.P. Maresyev arrived in Ibresi to study at a flying school ;
1943 , August - Cheboksary confectionery factory was founded;
1943, October 19 - the Yak-6 disaster near Shumerly with six dead, including the leadership of the Sumerian aircraft factory No. 471;
1944, February 11 - on the territory of the Oktyabrsky district near the villages of Imbyurti and Second Toisi , the AeroCobra plane crashed;
1945, April 6 - the rector of the Vvedensky Cathedral sent a telegram to I.V. Stalin on depositing 136,200 rubles to the Defense Fund by believers in the city of Cheboksary;
1945, April 15 - the Chuvash State Puppet Theater was created;
1946 , May - opening of the first city bus route in Cheboksary;
1948 , April - the beginning of the construction of the Cheboksary Cotton Mill ;
1949 - processing of collective farm fields of the Chuvash Autonomous Soviet Socialist Republic from the air with mineral fertilizers was started;
1950, October 30 - the 30th anniversary of the Chuvash Autonomous Soviet Socialist Republic is celebrated in the Hall of Columns in Moscow;
1950 - the building of the Ministry of Internal Affairs of the Chuvash Autonomous Soviet Socialist Republic was built;
1951 - a decision was made to build the Cheboksary Tractor Spare Parts Plant ;
1952, March 15 - Chuvash composer F.M. Lukin awarded the Stalin Prize of the III degree ;
1953 , February 10 - The Council of Ministers of the USSR decided to build the Cheboksary plant of electrical measuring instruments ;
1953 - the airports of the local air lines of the Chuvash Autonomous Soviet Socialist Republic began to open, where flights were carried out on airplanes to carry passengers;
1953-1964
1956 - The Cheboksary Tractor Spare Parts Plant was founded;
1956 - the beginning of the construction of the Cheboksary plant of electrical actuators ;
1956, November - A.V. Ignatiev at the track and field athletics competitions at the 1956 Summer Olympics became the first of the Chuvash athletes to become the owner of the Olympic medal;
1956 - the building of the Chuvash Pedagogical Institute was completed on Lenin Square in Cheboksary ;
1957 - the building of the Chuvash Agricultural Institute was completed on Lenin Square in Cheboksary;
1958, June 26 - several villages from the Spassky district of the Gorky region were accepted into the ChSSR;
1958 , October 17 - Tu-104 disaster in Vurnarsky district ;
1958 - Cheboksary Airport relocated to a new location in the vicinity of the village of Signaly ;
1959, May 23 - the executive committee of the City Council Cheboksary renamed Stalin Avenue into Lenin Avenue ;
1960 - the beginning of the construction of the Cheboksary Chemical Plant and the village at the plant ;
1960, May 2 - the first traffic light appeared in Cheboksary;
1960, June 23 - the Monument to Chapaev was transported from Cheboksary;
1960, June 26 - a monument to V. I. Lenin by sculptor G. D. Yastrebenetsky was unveiled on Lenin Square in Cheboksary ;
1960, July - in Cheboksary, the surgeon-ophthalmologist S. N. Fedorov performed the first surgery in the USSR for transplanting an artificial lens ;
1961 - the construction of the Tekstilmash plant for the production of machinery for textile enterprises was launched in Cheboksary;
1961, April 18 - S. K. Korotkov twice becomes a Hero of Socialist Labor for high corn yields and successes in the development of animal husbandry;
1961 - opening of the Volga branch of the Moscow Power Engineering Institute in Cheboksary ;
1961 - the Cheboksary Electrotechnical Research Institute (CHETNII) was established;
1961 , 5 сентября — начато регулярное телевещание в Чебоксарах ;
1961, 17 октября — построено здание Чувашского драматического театра имени К. В. Иванова ;
1961, 5 ноября — Эльбарусовская трагедия ;
1961, 12 декабря — открытие предприятия Чебоксарский завод кабельных изделий ;
1962 — открытие предприятия Чебоксарская чулочно-трикотажная фабрика ;
1962, 16 марта — вступление в строй телецентра в Чебоксарах ;
1962, 11— 15 августа — космический полёт А. Г. Николаева на корабле « Восток-3 »;
1962, 2 сентября — триумфальная встреча космонавта Андрияна Николаева в Чебоксарах;
1962, 20 декабря — перестройка сети районов, образование районов двух видов: сельские и промышленные;
1964, 14 апреля — основание завода « Текстильмаш »;
1964—1982
1964 , 7 ноября — открытие троллейбусного движения в Чебоксарах ;
1964, декабрь — Чебоксарский химкомбинат дал первую продукцию;
1965, 11 января — упразднение разделения республики на сельские и промышленные районы и образовании единых районов;
1965, 27 сентября — преобразование посёлка Чебоксарского химкомбината в город Новочебоксарск ;
1967, июль — телезрители Чувашской АССР получили возможность смотреть передачи центрального телевидения в цветном изображении;
1967 , 1 сентября — открытие Чувашского государственного университета им. И. Н. Ульянова ;
1968 — пристань города Чебоксары получила статус речного порта в составе Волжского объединенного речного пароходства ;
1968 — начало строительства Чебоксарской ГЭС ;
1968, 6 октября — гибель 51 пассажира речного судна М-176, столкнувшегося на Волге с теплоходом «Адмирал Макаров»;
1970 , 9 февраля — основание предприятия Чебоксарский приборостроительный завод ;
1970, 1— 19 июня — космический полёт А. Г. Николаева на корабле « Союз-9 »;
1970 , 26 июня — премьера первого национального балета « Сарпиге » Ф. С. Васильева ;
1970, ноябрь — в Чебоксарах сдана в эксплуатацию 196-метровая телебашня ;
1970 — Чувашская АССР награждена орденом Октябрьской Революции ;
1972 , 12 января — начало строительства Чебоксарского завода промышленных тракторов ;
1972 — Чувашская АССР награждена орденом Дружбы народов ;
1972, 14 декабря — открыт Музей космонавтики А. Г. Николаева в Шоршелах ;
1973 — в Чебоксарском аэропорту построена искусственная взлётно-посадочная полоса на 2500 метров;
1974, 28 апреля — пожар на производстве химического оружия на заводе «Химпром»;
1974, 9 мая — открытие в Чебоксарах Музея В. И. Чапаева ;
1974, 17 ноября — начало работы Чебоксарского пивоваренного завода ;
1975 — в Чебоксарах приговорены члены преступной группы из числа работников Стройтреста № 5 за многочисленные изнасилования, расхищения и другие преступления;
1975, 25 октября — на ЧЗПТ был сдан первый трактор- бульдозерТ-330 ;
1977, 8 августа — ПО «Химпром» (Новочебоксарск) награждено орденом Октябрьской Революции за организацию производства химического оружия — V-газа;
1978, 4 мая — авария на производстве отравляющих веществ второго поколения — V-газа — на заводе «Химпром» в Новочебоксарске;
1978, 31 мая — принятие новой Конституции Чувашской АССР;
1979, 12 октября — около деревни ХаритоновкаЦивильского района во время учебно-тренировочного полёта разбился истребитель Су-15 ;
1980 — перекрытие Волги и пуск первого агрегата Чебоксарской ГЭС ;
1980, 9 мая — в Чебоксарах открыт Монумент Воинской Славы ;
1980, 24 июня — открыт Ибресинский этнографический музей под открытым небом ;
1980, 1—4 декабря — Дни чувашской литературы и искусства в Москве;
1981 — наполнено Чебоксарское водохранилище ;
1981 — основан Республиканский кардиологический диспансер в Чебоксарах;
1981, 27 июня — в Чебоксарах открылась Республиканская клиническая глазная больница;
1982—1991
1983 — по территории Чувашской АССР проходит газопровод « Уренгой — Помары — Ужгород »;
1985 — в Чебоксарах построено здание Чувашского музыкального театра ;
1985 — построено новое здание Чувашского государственного художественного музея ;
1985 — на ЧЗПТ начато производство трактора Т-500 ;
1987, 12 июня — в Чебоксарах в рамках Чемпионата СССР по лёгкой атлетике проведены соревнования по ходьбе 50 км по шоссе (мужчины) и 10000 м по стадиону (женщины);
1987, 27 октября — открывается чебоксарский филиал МНТК «Микрохирургия глаза »;
1990 — празднование 100-летия классика чувашской литературы Константина Иванова в соответствии с решением, принятым на XXV сессии ЮНЕСКО ;
1990 — на Чебоксарском приборостроительном заводе начат выпуск домашних компьютеров « Дельта-С »;
1990 , 19 октября — переименование Чувашской АССР в Чувашскую Советскую Социалистическую Республику;
1990 , 24 октября — принятие Верховным Советом Чувашской ССР Декларации о государственном суверенитете Чувашской Советской Социалистической Республики;
1991, 27 июля — образован Чебоксарский филиал Главного Ботанического сада АН СССР ;
1991 — создание предприятия « ЭКРА »;
Чувашская Республика
1992—2010
1992 , 13 февраля — переименование Чувашской ССР в Чувашскую Республику ;
1992, 11-12 сентября — в Чебоксарах на совещание исполнительных и представительных органов субъектов Российской Федерации пребывают Президент России Б. Н. Ельцин , Председатель Верховного Совета России Р. И. Хасбулатов , Председатель Правительства России Е. Т. Гайдар ;
1992, 25 сентября — начал вещание первый в Чувашии частный телеканал «Канал 5 плюс»;
1993 , 26 декабря — избрание первого Президента Чувашской Республики — Н. В. Федорова ;
1993, 28 декабря — приватизацияЧебоксарского завода промышленных тракторов ;
1995, 27 июня — 11 сентября — космонавт Н. М. Бударин совершил первый космический полёт ;
1996, 14 мая — железнодорожная авария на станции Мыслец ;
1996 , 27 июля — подписание «Договора о разграничении предметов ведения и полномочий между органами государственной власти Российской Федерации и органами государственной власти Чувашской Республики».
1996 — в Чебоксарах в устье реки Чебоксарки сооружена транспортно-пешеходной дамба («Дорога к храму») и создан искусственный залив ;
1996, ноябрь — запущен интернет-портал Администрации Президента Чувашии — cap.ru
1996, 14 декабря — модель из Чебоксар Александра Петрова победила в конкурсе « Мисс Россия »;
1998, 29 января — 25 августа — космонавт Н. М. Бударин совершил второй космический полёт ;
1999, 20 августа — в Чебоксарах на базе ликвидированных цехов ВНИИР начал работать центр торговли «МТВ-Центр»;
2000 , 30 ноября — принятие Конституции Чувашской Республики ;
2001 — в ЧГУ им. И. Н. Ульянова начат эксперимент по введению в Российской Федерации единого государственного экзамена (ЕГЭ);
2001, 23 июня — в Чебоксарах открылся первый в Чувашии ресторан « Макдоналдс »;
2002, 18 августа — катастрофа рейсового автобуса ПАЗ-3205 в Янтиковском районе , в результате которой погибло 24 человека;
2002, 24 ноября — 2003, 4 мая — космонавт Н. М. Бударин совершил третий космический полёт;
2003, 17—18 мая — в Чебоксарах состоялся V Кубок Европы по спортивной ходьбе ;
2004, 5 февраля — Президент России В. В. Путин посетил город Чебоксары и село Шемурша ;
2004, 3—6 июля — смерть и похороны космонавта А. Г. Николаева ;
2005, 19 марта — в разорённом корпусе Чебоксарского хлопчатобумажного комбината открыт торговый центр «Мега Молл»;
2006 — завершено строительство Покровско-Татианинского собора в Чебоксарах;
2007, 27 июля — визит в Чувашскую Республику председателя Парламентской Ассамблеи Совета Европы Рене ван дер Линдена ;
2008 , 9—11 мая — в Чебоксарах проведён XXIII Кубок мира по спортивной ходьбе ;
2010 — ликвидирован Научно-исследовательский и проектно-технологический институт хмелеводства ;
2010—2019
2011, 14 декабря — в Чебоксарах в торгово-развлекательном центре «Каскад» открыт магазин электроники и бытовой техники Media Markt ;
2011, 15 декабря — в Чебоксарах открыт торговый центр METRO Cash & Carry ;
2012, 22—24 января — визит в Чувашскую Республику президента Палестинской национальной администрацииМахмуда Аббаса ;