ON MAY 23, 1934, bank robbers Clyde Barrow and Bonnie Parker were shot to death in a police ambush in Bienville Parish, La.
In 1915, Italy declared war on Austria-Hungary during World War I.
In 1939, the Navy submarine USS Squalus sank during a test dive off the New England coast. Thirty-two crew members and one civilian were rescued, but 26 others died; the sub was salvaged and re-commissioned the USS Sailfish.
In 1944, during World War II, Allied forces bogged down in Anzio began a major breakout offensive.
In 1945, Nazi official Heinrich Himmler committed suicide by biting into a cyanide capsule while in British custody in Luneburg, Germany.
In 1967, Egypt closed the Straits of Tiran to Israeli shipping, an action which helped precipitate war between Israel and its Arab neighbors the following month.
In 1977, Moluccan extremists seized a train and a primary school in the Netherlands; the hostage drama ended June 11 as Dutch marines stormed the train, resulting in the deaths of six out of nine hijackers and two hostages, while the school siege ended peacefully.
In 1984, Surgeon General C. Everett Koop issued a report saying there was "very solid" evidence linking cigarette smoke to lung disease in non-smokers.
In 1993, a jury in Baton Rouge, Louisiana, acquitted Rodney Peairs of manslaughter in the shooting death of Yoshi Hattori, a Japanese exchange student he'd mistaken for an intruder. (Peairs was later found liable in a civil suit brought by Hattori's parents.)