<P> On October 17 Masol resigned, and on October 20, Patriarch Mstyslav I of Kiev and all Ukraine arrived at Saint Sophia's Cathedral, ending a 46 - year banishment from his homeland . On October 23, 1990, Parliament voted to delete Article 6 of the Ukrainian Constitution, which referred to the "leading role" of the Communist Party . </P> <P> On October 25--28, 1990, Rukh held its second congress and declared that its principal goal was the "renewal of independent statehood for Ukraine". On October 28 UAOC faithful, supported by Ukrainian Catholics, demonstrated near St. Sophia's Cathedral as newly elected Russian Orthodox Church Patriarch Aleksei and Metropolitan Filaret celebrated liturgy at the shrine . On November 1, the leaders of the Ukrainian Greek Catholic Church and of the Ukrainian Autocephalous Orthodox Church, respectively, Metropolitan Volodymyr Sterniuk and Patriarch Mstyslav, met in Lviv during anniversary commemorations of the 1918 proclamation of the Western Ukrainian National Republic . </P> <P> On November 18, 1990, the Ukrainian Autocephalous Orthodox Church enthroned Mstyslav as Patriarch of Kiev and all Ukraine during ceremonies at Saint Sophia's Cathedral . Also on November 18, Canada announced that its consul - general to Kiev would be Ukrainian - Canadian Nestor Gayowsky . On November 19, the United States announced that its consul to Kiev would be Ukrainian - American John Stepanchuk . On November 19, the chairmen of the Ukrainian and Russian parliaments, respectively, Kravchuk and Yeltsin, signed a 10 - year bilateral pact . In early December 1990 the Party of Democratic Rebirth of Ukraine was founded; on December 15, the Democratic Party of Ukraine was founded . </P> <P> On February 12--14, 1990, anti-government riots took place in Tajikistan's capital, Dushanbe, as tensions rose between nationalist Tajiks and ethnic Armenian refugees, after the Sumgait pogrom and anti-Armenian riots in Azerbaijan in 1988 . During these riots, demonstrations sponsored by the nationalist Rastokhez movement turned violent . Radical economical and political reforms were demanded by the protesters which in turned torched government buildings; shops and other businesses were attacked and looted. 26 people were killed and 565 people were injured . </P>

When did communism fall in the soviet union