[url=http://www.nytimes.com/learning/general/onthisday/index.html]1787 The U.S. Constitution was completed and signed by a majority of delegates attending the constitutional convention in Philadelphia.
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On Sept. 17, 1862, Union forces hurled back a Confederate invasion of Maryland in the Civil War battle of Antietam. With 23,100 killed, wounded or captured, it remains the bloodiest day in U.S. military history.

On September 17, 1859, Harper's Weekly featured a cartoon about the conscription of naturalized American citizens into military service in their countries of origin.

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