The temperature on March 25, 1911 was between -0.4 °C and 2.5 °C and averaged 1.3 °C. There was 0.6 mm of rain. There was 1.5 hours of sunshine (12%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northeast. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of marriage October 7, 1937
The temperature on October 7, 1937 was between 5.9 °C and 14.6 °C and averaged 9.6 °C. There was 5.4 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 25 » The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until September 18, 2009.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
September 21 » J. R. R. Tolkien's The Hobbit is published.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
Day of death June 20, 1968
The temperature on June 20, 1968 was between 10.8 °C and 18.1 °C and averaged 14.4 °C. There was 8.0 mm of rain during 1.3 hours. There was 0.1 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 22 » Operation Igloo White, a US electronic surveillance system to stop communist infiltration into South Vietnam begins installation.
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.
February 12 » Phong Nhị and Phong Nhất massacre.
April 4 » Martin Luther King Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee.
October 5 » A Northern Ireland Civil Rights Association march in Derry is violently suppressed by police.
December 27 » Apollo program: Apollo 8 splashes down in the Pacific Ocean, ending the first orbital manned mission to the Moon.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I14993.php : accessed February 6, 2026), "Arend Jan Mouw (1911-1968)".
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