On This Day for July 1 - Dominion of Canada established, Diana, princess of Wales is featured, and more

This message contains graphics. If you do not see the graphics, click here to view. July 01 FEATURED BIOGRAPHY Diana, princess of Wales READ MORE   FEATURED EVENT 1867 Dominion of Canada established READ MORE   Advertisement Advertisement   MORE EVENTS ON THIS DAY 2004: Iconic American motion-picture and stage actor Marlon Brando, the most celebrated of the method actors, died at age 80. [Test your knowledge of movie stars.] 2002: The International Criminal Court—established to prosecute and adjudicate individuals accused of genocide, war crimes , and crimes against humanity—began sittings. 1997: The crown colony of Hong Kong officially reverted to Chinese sovereignty, ending 156 years of British rule. [Watch an overview of Hong Kong.] 1968: The United States, the United Kingdom, the U.S.S.R., and 59 other states signed the Nuclear Non-Proliferation Treaty in an attempt to halt the spread of nuclear weapons. [Take our weapons and warfare quiz.] 1963: The U.S. Postal Service instituted the Zone Improvement Plan Code, commonly known as the ZIP Code. 1903: The first Tour de France began, and the race went on to become cycling's most prestigious and difficult event. [ Sort fact from fiction in our Tour de France quiz.] SEE ALL EVENTS ON THIS DAY ALSO BORN ON THIS DAY 1961 Diana, princess of Wales British princess 1971 Missy Elliott American rapper and music producer 1916 Olivia de Havilland American actress 1818 Ignaz Semmelweis German-Hungarian physician 1646 Gottfried Wilhelm Leibniz German philosopher and mathematician 1939 Karen Black American actress SEE ALL BIOS ON THIS DAY   Advertisement   FOLLOW: To unsubscribe from Britannica e-mails, click here. Encyclopædia Britannica 325 N. LaSalle Street, Suite 200 Chicago, Illinois 60654 United States © 2020 Encyclopaedia Britannica, Inc. Privacy Policy • Help