At the 11th hour of the 11th day of the 11th month -- precisely 100 years after fighting halted in the first world war -- leaders from 70 nations gathered at the Arc de Triomphe in Paris, France, to remember the millions who died in the conflict.
Commemoration Ceremony for Armistice Day in France

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French President Emmanuel Macron, second right, and German Chancellor Angela Merkel lay a wreath during a ceremony in Compiegne, north of Paris, where the vanquished Germans and victorious but exhausted Allies put an end to World War 1, Nov. 10, 2018.

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British Prime Minister Theresa May and French President Emmanuel Macron walk together after laying wreaths at the World War I Thiepval Memorial in Thiepval, France, Nov. 9, 2018.

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British Prime Minister Theresa May, right, and French President Emmanuel Macron, left, after laying wreaths at the World War I Thiepval Memorial in Thiepval, France, Nov. 9, 2018. The memorial commemorates more than 72,000 men of British and South African forces who died in the Somme Offensive.