1934: Bank robbers Bonnie Parker and Clyde Barrow were shot to death during a police ambush in Bienville Parish, La.

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 the world

1915: Italy declared war on Austria-Hungary, aligning with the Triple Entente of Russia, France and the United Kingdom.

1945: Nazi official Heinrich Himmler killed himself while in British custody in Lüneburg, Germany.

Today’s birthdays

Actor Joan Collins is 92. Tennis Hall of Famer John Newcombe is 81. Chess grand master Anatoly Karpov is 74. Comedian-TV host Drew Carey is 67. Author Mitch Albom is 67. Actor Melissa McBride is 60. Musician Maxwell is 52. “Jeopardy!” host Ken Jennings is 51. Musician Jewel is 51. Filmmaker Ryan Coogler is 39. Musicia Sarah Jarosz is 34.

— The Associated Press