January 4 » Topsy, an elephant, is electrocuted by the owners of Luna Park, Coney Island. The Edison film company records the film Electrocuting an Elephant of Topsy's death.
June 16 » The Ford Motor Company is incorporated.
July 4 » The Philippine–American War is officially concluded.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage September 29, 1926
The temperature on September 29, 1926 was between 4.6 °C and 15.8 °C and averaged 10.2 °C. There was 6.8 mm of rain. There was 4.1 hours of sunshine (35%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
March 16 » History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts.
June 14 » Brazil leaves the League of Nations.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
November 15 » The NBC radio network opens with 24 stations.
Day of death June 15, 1968
The temperature on June 15, 1968 was between 13.2 °C and 24.4 °C and averaged 19.0 °C. There was 11.3 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 1 » Canada's three military services, the Royal Canadian Navy, the Canadian Army and the Royal Canadian Air Force, are unified into the Canadian Forces.
August 2 » An earthquake hits Casiguran, Aurora, Philippines killing more than 270 people and wounding 261.
October 2 » Mexican President Gustavo Díaz Ordaz orders soldiers to suppress a demonstration of unarmed students, ten days before the start of the 1968 Summer Olympics.
October 14 » The 6.5 Mw Meckering earthquake shook the southwest portion of Western Australia with a maximum Mercalli intensity of IX (Violent), causing $2.2 million in damage and leaving 20–28 people injured.
December 16 » Second Vatican Council: Official revocation of the Edict of Expulsion of Jews from Spain.
December 21 » Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans.
When copying data from this family tree, please include a reference to the origin: Ton Ross, "Family tree Ross - Peters - Hart - van der Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ross/I684.php : accessed February 3, 2026), "Pieter Koster (1903-1968)".
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