On this day in 1863, a Civil War battle cry that later leads to THE best school fight song ever:

"On, Wisconsin"

Union Army Defeats Confederates at Missionary Ridge

Arthur MacArthur, later the father of Douglas MacArthur, won the Medal of Honor at age 19 for his his bravery during the Battle of Missionary Ridge outside Chattanooga when young Arthur charged to the summit at a critical phase in the battle, planted the regimental flag, and shouted “On, Wisconsin!”.

Arthur MacArthur bio
On, Wisconsin
The Battle of Missionary Ridge