Births on December 20

Jean Marchand, Canadian trade union leader and politician, 43rd Secretary of State for Canada (d. 1988)

Jean Marchand, (December 20, 1918 – August 28, 1988) was a French Canadian public figure, trade unionist and politician in Quebec, Canada.

3 Mar

World War I
Russia signs the Treaty of Brest-Litovsk, agreeing to withdraw from World War I, and conceding German control of the Baltic States, Belarus and Ukraine. It also conceded Turkish control of Ardahan, Kars and Batumi.
2 May

Chevrolet Motor Company
General Motors acquires the Chevrolet Motor Company of Delaware.
24 Jun

Montreal
First airmail service in Canada from Montreal to Toronto.
4 Jul

Nicholas II of Russia
Bolsheviks kill Tsar Nicholas II of Russia and his family (Julian calendar date).
9 Nov

Wilhelm II, German Emperor
Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.