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THE DAY IN HISTORY · SEPTEMBER 17

September 17 in history

What happened on September 17: 2 moments from the Maps of History atlases, in 1862 and 1944, each linked to the map that shows it.

— Battle of Antietam

17 Sep 1862 — Along a Maryland creek, some 23,000 casualties make this the bloodiest single day in American history. Lee’s first invasion is turned back. Lincoln now has the victory he has been waiting for; see the marker at Washington.

READ THIS MOMENT → · SEE IT ON THE AMERICAN CIVIL WAR MAP → · THE FULL STORY →

Market Garden: 35,000 airborne troops drop into Holland to seize a corridor of bridges. Arnhem proves “a bridge too far.”

READ THIS MOMENT → · SEE IT ON THE WW2 MAP →

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