March 1918

Friday 01:

German submarine Unterseeboot 19 (U-19) sinks HMS Calgarian off Rathlin Island.

Sunday 03:

Germany, Austria and Russia sign the Treaty of Brest-Litovsk ending Russia's involvement in World War I, and leading to the independence of Finland, Estonia, Latvia, Lithuania and Poland.

Tuesday 05:

Bolshevist Russia moves the national capital from Petrograd to Moscow.

Thursday 07:

World War I: Finland forms an alliance with Germany.

Friday 08:

The first case of Spanish flu occurs, the start of a devastating pandemic.

Tuesday 19:

The U.S. Congress establishes time zones and approves daylight saving time.

Thursday 21:

World War I: Second Battle of the Somme begins

Monday 25:

The Belarusian National Republic was established.

Wednesday 27:

Moldova and Bessarabia join Romania.

Sunday 31:

Daylight Savings Time goes into effect in the United States for the first time.