May 30: 1876. Tsar Alexander II signed the Ems Ukase banning the publication and import of Ukrainian-language literature and staging theater productions in Ukrainian.
1923. The Ukrainian Historical and Philological Society was founded in Prague.
May 31: 1223. Tatar-Mongol forces defeated Rus’ and Polovtsian ones in the Battle of the Kaltsia River.
1935. The USSR Council of People’s Commissars and the Communist Party Central Committee decreed the elimination homelessness and neglect among children.
June 1: 1658. Insurgent peasants and Cossacks were defeated in a decisive battle against the Hetman’s troops near Poltava.
1996. A decision was made in Vienna on Ukraine’s full membership in the Central European Initiative.
June 2: 1652. The Cossacks led by Bohdan Khmelnytsky defeated the Polish army near Batoh.
1990. The First All-Ukrainian Congress of the Independent Ukrainian Youth League opened .
June 3: 1768. The detachments of Haidamaky led by Maksym Zalizniak and Ivan Honta took Uman from the Poles.
1906. Ukrayinsky visnyk , organ of the Ukrainian parliamentary fraction of the State Duma, first came out in St. Petersburg.
June 4: 1630. Insurgents led by Taras Triasylo gave battle near Pereyaslav.
1990. The first Council of the Ukrainian Autocephalous Orthodox Church began in Kyiv.
June 5: 1771. Ukrainian Cossacks were allowed by government decree to settle near the Sea of Azov.
1919. The Ukrainian Galician Army (UHA) launched its Chortkiv operation.
