Ukrainian Soviet Socialist Republic
Eventually, after the creation of the Communist Party (Bolshevik) of Ukraine in Moscow, a third Ukrainian Soviet government was formed on 21 December 1919 that initiated new hostilities against Ukrainian nationalists as they lost their military support from the defeated Central Powers. Eventually, the Red Army ended up controlling much of the Ukrainian territory after the Polish-Soviet Peace of Riga. On 30 December 1922, along with the Russian, Byelorussian, and Transcaucasian republics, the Ukrainian SSR was one of the founding members of the Union of Soviet Socialist Republics (USSR).
Dissolution of the Soviet Union
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.