Question

What took place on September 17, 1862

Answer 1

Confederate and Union troops in the Civil War clash near Maryland's Antietam Creek in the bloodiest single day in American military history.

Step-by-step explanation:

Answer 2

Beginning early on the morning of September 17, 1862, Confederate and Union troops in the Civil War clash near Maryland's Antietam Creek in the bloodiest single day in American military history. The Battle of Antietam marked the culmination of Confederate General Robert E. Lee's first invasion of the Northern states.

Step-by-step explanation: