1864 – Twelve nations sign the First Geneva Convention, the first codified international treaty that covered the sick and wounded soldiers in the battlefield.
1963 – American Joe Walker in an X-15 test plane reaches an altitude of 106 km (66 mi).
1971 – J. Edgar Hoover and John Mitchell announce the arrest of 20 of the Camden 28. The Camden 28 were a group of “Catholic left” anti-Vietnam War activists who in 1971 planned and executed a raid on a Camden, New Jersey draft board. The raid resulted in a high-profile trial against the activists that was seen by many as a referendum on the Vietnam War.
2007 – The Storm botnet, a botnet created by the Storm Worm, sends out a record 57 million e-mails in one day.