Which event is the 7th United States Cavalry historically associated with?

The 7th United States Cavalry is historically associated with the Battle of the Little Bighorn, which took place in 1876 during the Great Sioux War. This battle is one of the most famous events in American military history, often referred to as "Custer's Last Stand." The 7th Cavalry, led by Lieutenant Colonel George Armstrong Custer, was tasked with engaging a coalition of Lakota Sioux and Cheyenne warriors. The battle resulted in a significant defeat for Custer and his troops, with all of the men in his immediate command being killed. This event had lasting implications for U.S. policy towards Native American tribes and is a pivotal moment in American history, symbolizing the tensions and conflicts between the U.S. government and Native American nations during westward expansion.