Today in History
What went down and why you should care.
apr 06 Learn More The U.S. Enters World War I
On this day in 1917, the United States entered World War I . Of course, back then it wasn't called World I. It was called the Great War. In fact, we reckon one of the cruelest things a time traveler could do would be to go back to 1917 and refer to the Great War as World War I. "You mean there's going to be another one of these?"
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