Events and celebrations in the Ukrainian calendar year. According to the Law of Ukraine, in cases where a public holiday falls on the weekend (Saturday or Sunday), the weekend is extended by one day. Red marks the official holidays wich are days off. Brown marks the official holidays which are working days. Green marks the celebrations, which change date. 21 February • The city Antiar in Crimea was renamed Sevastopol (1784). • A military court sentenced Lieutenant Schmidt death penalty (1906). • The Ukrainian composer Ihor Shamo was born (02/21/1925 – 08/17/1982). • Sergei Bubka set the world record in pole vault indoor (1993). • International Mother Tongue Day was established by UNESCO and has been celebrated since 2000. • World Day of Guides. • Official legal recognition from the Ukrainian government of victims of the protests the Maidan (2014).