1.988- Baptism of Rus
2.1812–1813 World War II
3.1812 Battle of Borodino
4.1825 Decembrist uprising
5.1861 Abolition of serfdom
6.1941–1945 Great Patriotic War
7.1961 Yuri Gagarin's flight into space
8.1986 Accident at the Chernobyl NPP
9.1991 Disintegration of the USSR
2014-joining of the Crimea