1 Alexander II is assassinated, (1881)
2 The Schlieffen Plan was created, (1907)
3 Archduke Franz Ferdinand is assassinated, (1914)
4 Germany invades Belgium (1914)
5 The February Revolution begins, (Feb. 1917)
6 Nicholas II abdicates, (1917)
7 Russia withdraws from WWI, (1917)
8 United States enters WWI, (1917)
9 Lenin leads the October Revolution, (Oct. 1917)
10 The USSR is created, (1923)