Korean War: The Chinese People's Volunteer Army begin assaulting positions defended by the Royal Australian Regiment and the Princess Patricia's Canadian Light Infantry at the Battle of Kapyong.
Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong.
The United States Senate Committee on Armed Services and United States Senate Committee on Foreign Relations begin their closed door hearings into the dismissal of General Douglas MacArthur by U.S. President Harry Truman.
Mexican chemist Luis E. Miramontes conducts the very last step of the first synthesis of norethisterone, the progestin that would later be used in one of the first three oral contraceptives.