1965 - Vietnam War: The 1st Cavalry Division (Airmobile), in conjunction with South Vietnamese forces, launches an operation seeking to destroy Communist forces during the siege of Plei Me.
1970 - Gary Gabelich sets a land speed record in a rocket-powered automobile called the Blue Flame, fueled with natural gas.
1972 - Vietnam War: Operation Linebacker, a US bombing campaign against North Vietnam in response to its Easter Offensive, ends after five months.
1973 - Watergate scandal: President Nixon agrees to turn over subpoenaed audio tapes of his Oval Office conversations.
1982 - A gunfight breaks out between police officers and members of a religious cult in Arizona. The shootout leaves two cultists dead and dozens of cultists and police officers injured.
1983 - Lebanese Civil War: The U.S. Marines barracks in Beirut is hit by a truck bomb, killing 241 U.S. military personnel. A French army barracks in Lebanon is also hit that same morning, killing 58 troops.
2012 - After 38 years, the world's first teletext service (BBC's Ceefax) ceases broadcast due to Northern Ireland completing the digital switchover.
2015 - The lowest sea-level pressure in the Western Hemisphere, and the highest reliably-measured non-tornadic sustained winds, are recorded in Hurricane Patricia, which strikes Mexico hours later, killing at least 13 and causing over $280 million in damages.