1990
September 27, 1989 – October 2, 1989 – First All-Ukrainian Congress of People’s Movement of Ukraine. Ivan Drach was elected head of Rukh. Moskalenko moved to the presidium and became the first deputy of Drach.
February 5-17 – Second Congress of Rukh. Ivan Drach announced the resignation. Moskalenko was elected head of Rukh by a wide margin. The Congress decided to focus all efforts to the UkrSSR Supreme Soviet elections.
March 14 – Second Congress of People's Deputies of the USSR abolished Article 6 of the Soviet Constitution
March 30 – Parliamentary elections in Ukraine. Victory of Rukh, which received 239 parliamentary seats (from 450)
April 28 – Democratic Party of Ukraine was founded (ukr. Демократична Партія України)
April 29 – Ukrainian Republican Party (ukr. Українська Республіканська Партія) was established on the basis of the Ukrainian Helsinki Group
May 1-8 – Third Congress of Rukh. It was converted to a coalition of democratic forces
May 15 – Valery Moskalenko was elected Speaker of the Supreme Council of the UkrSSR
May 21 – The Supreme Council of the UkrSSR adopted amendments to the UkrSSR Constitution to establish the UkrSSR President post with enormous power
May 29 – Boris Yeltsin was elected Speaker of the Supreme Council of RSFSR
June 1 – U.S. President George H. W. Bush and Soviet Union leader Mikhail Gorbachev signed a treaty to stop chemical weapon production and destroy their stocks.
June 2 – The USSR's first Commodities Exchange was opened in Moscow
June 4-6 – Violence in Osh town, Kirghiz SSR, between Kyrgyz majority and Uzbek minority over the homestead land distribution.
June 7 – Metropolitan Alexy of Leningrad was elected Russian Orthodox Patriarch of Moscow and entire Rus.
June 11 – Ukrainian parliament formally declared its sovereignty.
June 12 – The parliament of the Russian Federation formally declared its sovereignty.
June 19 – The Communist Party of RSFSR was founded in Moscow.
June 20 – Uzbekistan parliament declared its sovereignty
June 23 – Moldova’s parliament declared its sovereignty
June 24 – Valery Moskalenko was elected President of the UkrSSR
June 26 – Vyacheslav Chornovil was elected Speaker of the Supreme Council of UkrSSR
June 29 – Lithuania suspended the declaration of sovereignty on the negotiations with USSR Government
July 1 – National Bank of Ukraine was founded
July 2-13 – XXVIII Congress of the CPSU was held. It was the last congress of the CPSU.
July 9-11 – The 16th G7 summit was held in Houston. Economic assistance to the Soviet Union was one of the main issues of the summit
July 12 – Boris Yeltsin, and a group of democratic reforms supporters left CPSU at the XVIII Congress
July 13 – Government Bank of RSFSR was founded
July 14 – Inauguration of President of Ukraine Valery Moskalenko
July 15 – Valery Moskalenko formed a Committee to implement economical and political reforms in Ukraine
July 17 – Kalinin City was renamed back to Tver
July 20 – Ordzhonikidze City was renamed back to Vladikavkaz
July 21 – The Supreme Council of Ukraine adopted modern state symbols
July 21 – The Constitutional Commission of the USSR set to work
July 27 – Belarus declared its sovereignty
August 1 – Censorship was abolished in the Soviet Union
August 1 – Relcom was created in the Soviet Union by combining several computer networks. Later, in August, the Soviet Union got its first Internet connection
August 5 – Leaders of Belarus, Kazakhstan, Russia and Ukraine formed the Inter-republican Advisory Group
August 13 – Mikhail Gorbachev issued a decree on the rehabilitation of the victims of Stalinist repression
August 15 – Soviet President Mikhail Gorbachev returned citizenship to deported dissidents, including Alexander Solzhenitsyn
August 22 – Turkmenistan declared its sovereignty
August 22 – Radio station "Echo of Moscow" (rus. Эхо Москвы) started broadcasting
August 23 – Armenia declared its sovereignty
August 24 – Tajikistan declared its sovereignty
August 30 – Azerbaijan declared its independence from Soviet Union.
August 30 – Tatarstan declares its sovereignty
August 30 – The program of economic reforms in the USSR "500 Days" was published. It has not been implemented but many of its elements have been implemented in the "Plan of economic stabilization in Ukrainian Republic until 1994"
September 2 – Transnistria declares its independence from the Moldavian SSR; however, the declaration was not recognized by any government
September 3 – The Supreme Soviet of the USSR adopted a law "about the economic independence of the Ukrainian SSR." In fact, the Union property was transferred to the control of UkrSSR
September 17 – Diplomatic relations between the Soviet Union and Saudi Arabia were restored
September 18 – Alexander Solzhenitsyn’s article, “How we could improve Russia" (rus. Как нам обустроить Россию) was published in “Komsomolskaya Pravda” newspaper.
September 19 – National top-level domain of the Soviet Union .su was registered
September 20 – South Ossetia declared its secession from Georgia
September 24 – The Supreme Council of the Soviet Union granted Gorbachev special powers for 18 months to secure the Soviet Union's transition to a market economy
September 30 – Diplomatic relations between the Soviet Union and South Korea were established
October 11 – Bashkortostan declared its sovereignty
October 15 – Soviet Union leader Mikhail Gorbachev was awarded the Nobel Peace Prize for his efforts to lessen Cold War tensions and reform his nation
October 20-21 – The congress of the movement "Democratic Russia" (rus. Демократическая Россия)
October 22 – Kazakhstan declared its sovereignty
October 22 – Gorky City was renamed back to Nizhny Novgorod
October 25 –
Hike to Gagauzia
October 27 – The Supreme Council of Kyrgyzstan elected Askar Akayev as their first president.
October 28 – Opposition parties, supported the independence of the Republic and a market economy, won the elections to the Supreme Council of the Georgian SSR.
October 30 – Solovetsky stone in memory of the victims of political repression installed on Lubyanka Square in Moscow
November 2 – Armed clashes in Dubossary and Bender, Moldova
November 4 – 2 000 000 unemployed were officially recognized in the Soviet Union
November 5 – Moscow metro stations with "communist" names were renamed: "Sverdlov Square", "Dzerzhinskaya", "Kirovskaya" and others
November 7 – The latest demonstration and a military parade in Red Square in the October anniversary.
November 21 – The draft of Ukraine Constitution was published. There was no mention of laws of USSR in it and Ukrainian Republic was called as independent state
November 24 – Parliament of Ukraine renamed UkrSSR to Ukrainian Republic (ukr. Українська Республіка)
December 8 – RSFSR’s Law "On Freedom of Religion" published
December 12 – Start of VGTRK broadcasting
December 20 – Eduard Shevardnadze resigned from the post of Minister of Foreign Affairs of the USSR, declaring a threat of a dictatorial regime
December 22 – IV Congress of People's Deputies of the USSR removed Gorbachev from power. Also the Congress adopted amendments to the constitution. The Congress changed the structure and principle of the Supreme Council formation. Since then, it was a unicameral parliament composed of 250 members, who are appointed by the parliaments of republics
December 22 – Alexander Yakovlev was elected President of USSR
December 26 – Reform of the Soviet government. The USSR Cabinet of Ministers created instead of the Council of Ministers. Nikolai Ryzhkov resigned from the USSR Council of Ministers Chairman for health
December 27 – The Supreme Council of the RSFSR declared Christmas as a holiday
