1920: The Red Army defeats Wrangel’s [White Guard] troops at Kakhovka.
1942: The official day chosen, by the Main Ukrainian Liberation Council in 1947, to mark the Ukrainian Insurgent Army’s (UPA) creation.
1943: Troops of the South-Western [Soviet] Front clear Zaporizhia of the Nazi aggressor.
1947: US Air Force pilot Chuck Yeager breaks the sound barrier while flying the experimental Bell X-1 rocket over the desert of Southern California, at an altitude of 13,700 m (45,000 ft).
1964: A plenary meeting of the Central Committee of the Communist Party of the Soviet Union relieves Nikita Khrushchev of his post as CC CPSU First Secretary and Chairman of the Soviet [Council] of Ministers of the USSR; he is replaced by Leonid Brezhnev as First Secretary.
1969: The Soviet Union launches the Intercosmos-1 sputnik.
1999: Ukraine first marks the Cossacks’ Day.