may 21, 1856 - Charles Sumner Attacked by Preston Brooks on the U.S. Senate Floor
what is it- Pro-slavery Congressman Preston Brooks attacked the abolitionist Senator Charles Sumner with a cane after Sumner had given a speech condemning the pro-slavery forces for the violence occurring in Kansas.
how did it lead to the Civil War- this caused anger on both sides of the argument because of the violence that Charles Sumner used against the anti slavery speaker.
Added to timeline:
Crisis of the Union Timeline