German armies took Allied forces by surprise in the Ardennes, marking the beginning of the Battle of the Bulge.
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The Anglo-Irish Treaty, agreed to by the British Parliament and Sinn Féin, was ratified.
Virginia became the first state to ratify the Articles of Confederation.
'Lawrence of Arabia' film directed by David Lean, was released in the United States.
The mayor of Flint, Michigan, declared a state of emergency over contaminated water.
Vasco da Gama became the first European to sail along Africa's East Coast.
