On this day June 1: Night of Decree (Sunni Islam, 2019)

• 1495 – An entry in the Exchequer Rolls of Scotland made the first recorded mention of Scotch whisky.
• 1794 – The Glorious First of June, the first and largest fleet action of the naval conflict between the Kingdom of Great Britain and the French First Republic during the French Revolutionary Wars, was fought.
• 1942 – World War II: The crews of three Japanese Type A Kō-hyōteki-class submarines scuttled their boats and committed suicide after entering Sydney Harbour and launching a failed attack.
• 1974 – In an informal article in a medical journal, Henry Heimlichintroduced the concept of abdominal thrusts, commonly known as the "Heimlich maneuver", to help choking victims.
• 1999 – On landing at Little Rock National Airport in the U.S. state of Arkansas, American Airlines Flight 1420 overran the runway and crashed (wreckage pictured), resulting in 11 deaths.