1649 – British King Charles I was beheaded by order of Parliament.
1798 – The first fight to break out on the floor of the U.S. House of Representatives began when one congressman spat in another’s face.
1835 – A gunman fired twice on Andrew Jackson, the first attempt on the life of a U.S. president. Jackson wasn’t injured.
1933 – Adolf Hitler is sworn in as Chancellor of Germany.
1948 – Mahatma Gandhi is assassinated by a Hindu extremist.
1968 – Viet Cong and North Vietnamese Army forces launched a massive attack, known as the Tet Offensive, against South Vietnam, the United States, and their allies.
1969 – The Beatles’ last public performance on the roof of Apple Records in London. The impromptu concert is broken up by the police.
1979 – The Iranian government announced it would let Shiite Muslim leader Ayatollah Khomeini return from exile. Washington responded by ordering the evacuation of all U.S. dependents from Iran.