The Lawrence Massacre (also known as Quantrill's Raid) was an attack on the town of Lawrence, Kansas on August 21, 1863. The attack was a battle in the U.S. Civil War. The Confederates won the battle, as group of guerillas led by William Quantrill rode into town and shot every man they saw. About 150 people were killed.
- "William Quantrill and the Lawrence Massacre". xroads.virginia.edu.