The United States joined the war in April 1917.

美国于1917年4月参战。

《柯林斯英汉双解大词典》

In 1917, the Commission of Fine Arts requested John Russell Pope to prepare sketches of the State, War, and Navy building that incorporated Classical facades.

1917年，美术委员会要求约翰·罗素·波普准备国家、战争和海军建筑的草图，这些建筑包含了古典主义的外观。

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Critics often accused Hoover of cowardice, pointing, for instance, to the fact that he didn't join the military in June 1917, when he finished law school and the country was entering World war I.

批评者常指责胡佛懦弱，例如，他们指出，1917年6月胡佛从法学院毕业后逃避兵役，而当时正值美国加入第一次世界大战。

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They've never yet missed a meeting--not for the declarations of war in 1917 or 1941.

FORBES: Homo Numismatus

In 1917, World War I's most famous spy, Mata Hari, was executed by firing squad at Vincennes Barracks outside Paris.

CNN: Tuesday,

It was originally formed in 1917 during World War I.

BBC: A member of the Women's Land Army