The temperature on December 15, 1911 was between 3.0 °C and 8.9 °C and averaged 5.7 °C. There was 1.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 29 » Italy declares war on the Ottoman Empire.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of marriage May 20, 1939
The temperature on May 20, 1939 was between 1.7 °C and 15.8 °C and averaged 9.1 °C. There was 12.2 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
May 22 » World War II: Germany and Italy sign the Pact of Steel.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
September 9 » Burmese national hero U Ottama dies in prison after a hunger strike to protest Britain's colonial government.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
Day of death June 18, 1962
The temperature on June 18, 1962 was between 9.9 °C and 26.8 °C and averaged 19.2 °C. There was 1.9 mm of rain during 1.4 hours. There was 10.4 hours of sunshine (62%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 26 » Ranger 3 is launched to study the Moon. The space probe later misses the moon by 22,000 miles (35,400km).
February 27 » Two dissident Republic of Vietnam Air Force pilots bomb the Independence Palace in Saigon in a failed attempt to assassinate South Vietnam President Ngô Đình Diệm.
May 22 » Continental Airlines Flight 11 crashes after bombs explode on board.
July 11 » Project Apollo: At a press conference, NASA announces lunar orbit rendezvous as the means to land astronauts on the Moon, and return them to Earth.
August 6 » Jamaica becomes independent from the United Kingdom.
August 30 » Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war.
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/I119208.php : accessed February 15, 2026), "Willem Veenstra (1911-1962)".
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