The Battles of Frenchtown, also known as the Battle of the River Raisin and the River Raisin Massacre, was a series of conflicts in Michigan Territory that took place from January 18–23, 1813 during the War of 1812. It was fought between the United States and a British and Native American alliance near the River Raisin in Frenchtown,. The battle fought on January 22 may rank as having had the highest number of fatalities of any battle during this war.