June 20 1918: The All-Ukraine Church Council convenes in Kyiv.
1919: A UNR military delegation led by General Delvig signs an armistice agreement with Poland in Lviv, setting up the Delwig Demarcation Line.
June 21 1943: The first Ukrainian Canadian Congress convention is held in Winnipeg.
1991: The World Congress of Ukrainian Political Prisoners convenes in Kyiv.
June 22 Day of Mourning and Commemorating War Victims in Ukraine
1941: Launching a surprise massive offensive, Nazi Germany invades the Soviet Union. The attack marks the beginning of the “Great Patriotic War.”
1941: The heroic defense of the Brest fortress begins
June 23 1990: Returning Crimean Tatars settle the first village in the Crimean oblast of the Ukrainian SSR.
2001: Pope John Paul II’s visit to Ukraine begins, during which the pontiff travels to Kyiv and Lviv.
June 24 1934: Highest state and party institutions are transferred from Kharkiv to Kyiv, now the capital of Soviet Ukraine.
1941: US President Franklin Delano Roosevelt proclaims the nation’s readiness to help the Soviet Union in its war against Nazi Germany.
June 25 Customs Service Day in Ukraine
1992: The All-Ukraine Orthodox Church Council resolves to unite the Ukrainian Orthodox and Ukrainian Autocephalous Orthodox Church into a single Ukrainian Orthodox Church under the Kyiv Patriarchate.
June 26 1919: The first All-Ukraine Congress of Communist Organizations for Working Youth starts in Kyiv, where the “Komsomol” of Ukraine is founded.
1994: Presidential elections are held in Ukraine; a second round is held, as none of the candidates has obtained the required number of votes.
