| 1 | 1914 | - 1914: UK - Battle of the Marne
- 1914: USA - Charlie Chaplin First Appeared as the Little Tramp
- 1914: UK - First Traffic Light
- 1914: Panama - Panama Canal Officially Opened
- 1914: Egypt - Britain proclaims protectorate over Egypt
- 1914: France - Stunning British casualty figures come from Loos -60,000; in on the Somme, 60,000 in one day; total for 5-month offensive - 400,000; Germans use poison gas at Ypres
- 1914: Ireland - Easter Monday Irish rebellion, Irish Volunteers (later Irish Republican Army) proclaim Irish Republic; German submarine lands Sir Roger Casement who is arrested, German ship with rifles intercepted off Irish coast, Casement executed; Sinn Fein and Ulster cannot agree on partition
- 1914: France - Passchendaele, British advance of 5 miles costs 400,000 casualties
- 1914: UK - Balfour Declaration promises Jews home in Palestine
- 1914: UK - First use of massed tanks (Battle of Cambrai)
- 1914: UK - King George V adopts Windsor as Royal Family's English surname in place of family's German name
- 1914: USA - Garrett A. Morgan invents the Morgan gas mask
- 4 Aug 1914: World War I begins and lasts until 1918, because Germany violates a treaty to respect neutrality of Belgium; Turkey enters war on Germany's side
|
1919 - 1967 (48 years)