The temperature on July 18, 1911 was between 12.7 °C and 20.4 °C and averaged 15.8 °C. There was 0.8 mm of rain. There was 3.9 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of marriage January 2, 1935
The temperature on January 2, 1935 was between 5.1 °C and 8.6 °C and averaged 6.9 °C. There was 0.1 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 23 » Signing of the Constitution of the Commonwealth of the Philippines.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
July 28 » First flight of the Boeing B-17 Flying Fortress.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
Day of death November 16, 1944
The temperature on November 16, 1944 was between 0.3 °C and 7.1 °C and averaged 3.4 °C. There was 0.5 mm of rain during 0.5 hours. There was 3.1 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 7 » World War II: In Anzio, Italy, German forces launch a counteroffensive during the Allied Operation Shingle.
June 17 » Iceland declares independence from Denmark and becomes a republic.
August 4 » The Holocaust: A tip from a Dutch informer leads the Gestapo to a sealed-off area in an Amsterdam warehouse, where they find and arrest Jewish diarist Anne Frank, her family, and four others.
August 23 » World War II: Marseille is liberated by the Allies.
September 8 » World War II: London is hit by a V-2 rocket for the first time.
December 26 » World War II: George S. Patton's Third Army breaks the encirclement of surrounded U.S. forces at Bastogne, Belgium.
When copying data from this family tree, please include a reference to the origin: R. Ratsma, "Family tree diverse families", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ratsma/I53.php : accessed February 21, 2026), "Pieter Ratsma (1911-1944)".
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