May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death April 12, 1963
The temperature on April 12, 1963 was between -0.9 °C and 10.9 °C and averaged 7.1 °C. There was 8.0 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 17 » Mount Agung erupted on Bali killing more than 1,100 people.
April 24 » Marriage of Princess Alexandra of Kent to Angus Ogilvy at Westminster Abbey in London.
October 3 » A violent coup in Honduras begins two decades of military rule.
November 22 » U.S. President John F. Kennedy is assassinated and Texas Governor John Connally is seriously wounded by Lee Harvey Oswald, who also kills Dallas Police officer J. D. Tippit after fleeing the scene. U.S Vice President Lyndon B. Johnson is sworn in as the 36th President of the United States afterwards.
November 25 » President John F. Kennedy is buried at Arlington National Cemetery in Arlington County, Virginia, across the Potomac River from Washington, D.C.; his assassin, Lee Harvey Oswald, is buried on the same day in Fort Worth, Texas.
December 26 » The Beatles' "I Want to Hold Your Hand" and "I Saw Her Standing There" are released in the United States, marking the beginning of Beatlemania on an international level.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I170236.php : accessed October 8, 2026), "Kornelis Laverman (1900-1963)".
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