1846 - After their victory in the Mexican War, the U.S. annexed New Mexico.
1950 - During the fighting at the “Bowling Alley” near Tabudong, North Korean Lt. Col. Chong Pong, commander of the artillery regiment supporting the North Korean 13th Division, surrendered to the Republic of Korea's 1st Division. Chong, the highest-ranking communist prisoner to date, gave precise information on the location of his artillery. The Eighth Army immediately launched air and artillery strikes on the enemy guns. Chong had defected in protest against what he felt was an unfair reprimand by the 13th Division commander.
1986 - The Army completed its Army Fire Support Automation Plan - a roadmap to automate fire support in the heavy and light forces. This plan superseded the Army Modified AFATDS Plan of September 1985.