A look back at the week in history
Aug. 1, 1981 The cable network Music Television (MTV) debuts with the music video for the song "Video Killed the Radio Star" by the Buggles.
Aug. 2, 1990 Saddam Hussein's Iraq invades oil-rich Kuwait, starting the Gulf War.
Aug. 3, 1923 Calvin Coolidge becomes the 30th U.S. president, following the death of Warren Harding.
Aug. 5, 1861 President Lincoln signs the Revenue Act, imposing the United States' first income tax.
Aug. 6, 1945 The U.S. aircraft Enola Gay drops an atomic bomb on Hiroshima.