• 1493 - Pope Alexander VI divides the New World between Spain and Portugal along the Demarcation Line.
• 1776 - Rhode Island becomes the first American colony to renounce allegiance to King George III. (Hi, Rich!)
• 1919 - May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
• 1942 - World War II: Battle of the Coral Sea begins.
• 1979 - Margaret Thatcher becomes the first woman Prime Minister of the United Kingdom.
• 1990 - Latvia proclaims renewal of its independence after the Soviet occupation. (Hi, Diana!)
• 2007 - I turn 10,000 days old.

Other people who turned 10,000 days old on May 4th:

• 1734 - Emilie du Chatelet, French mathematician and physicist (1706-1749)
• 1762 - Maria I of Portugal, Portuguese queen (1734-1816)
• 1806 - Sir Humphry Davy, British chemist and physicist (1778-1829)
• 1835 - John Greenleaf Whittier, American poet and abolitionist (1807-1892)
• 1881 - Emile Roux, French physician (1853-1933)
• 1902 - William Lyon Mackenzie King, 10th Prime Minister of Canada (1874- 1950)
• 1916 - King Alexander I of Yugoslavia (1888-1934)
• 1922 - Arthur Fiedler, American conductor (1894-1979)
• 1931 - Erskine Caldwell, American author (1903-1987)
• 1931 - Ray Noble, British bandleader and actor, acted with Fred Astaire in A Damsel in Distress (1903-1978)
• 1936 - Willard Frank Libby, American chemist and Nobel Prize laureate (1908-1980)
• 1938 - Sy Oliver, American jazz arranger and bandleader (1910-1988)
• 1958 - Bob Guccione, American magazine publisher, most notably Penthouse (b. 1930)
• 2017 (If it survives that long)- The Simpsons (debuted December 17, 1989)