1863 - During the American Civil War, 1st Lt. Carle A. Woodruff of the 2d U.S. Artillery earned the Medal of Honor for valor in combat. While in command of a section of an artillery battery which included of a portion of the rear guard of a division that was retiring before the advance of a Confederate corps. When the nearby infantry unit was attacked by the enemy, Woodruff was ordered to abandon his guns. Woodruff disregarded the orders and helped repel the attack; thereby, he saved the guns.
1866 - Tennessee became the first state to be readmitted to the Union after the Civil War.
1989 - A Fort Sill message to the U.S. Army Aviation Center reaffirmed that budget cuts forced the Army to cut the number of OH58D helicopters to be purchased, and that would transfer OH58Ds dedicated to field artillery missions to other urgent missions.
1943 - During World War II, The US 45th Division (created from National Guard units from Oklahoma, Arizona and Colorado) captured Cefalu and Castelbouno, on the northern coast of Sicily.