📜 This Day in History — October 20 1973 — Nixon Fires the Watergate Prosecutor. The “Saturday Night Massacre” shook America as President Nixon ordered the firing of special prosecutor Archibald Cox, deepening the Watergate scandal. 1803 — The U.S. Senate Ratifies the Louisiana Purchase. Overnight, America’s size doubled, opening the frontier and reshaping the nation’s destiny. 1944 — U.S. Forces Land in the Philippines. General Douglas MacArthur kept his promise: “I have returned.” A turning po