The temperature on April 26, 1915 was between 5.8 °C and 18.2 °C and averaged 11.6 °C. There was 9.5 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 21 » Kiwanis International is founded in Detroit.
March 26 » The Vancouver Millionaires win the 1915 Stanley Cup Finals, the first championship played between the Pacific Coast Hockey Association and the National Hockey Association.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of marriage May 20, 1938
The temperature on May 20, 1938 was between 2.3 °C and 13.7 °C and averaged 8.6 °C. There was 0.1 mm of rain during 0.1 hours. There was 5.6 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
June 24 » Pieces of a meteorite land near Chicora, Pennsylvania. The meteorite is estimated to have weighed 450metric tons when it hit the Earth's atmosphere and exploded.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death August 8, 2006
The temperature on August 8, 2006 was between 12.2 °C and 19.7 °C and averaged 16.7 °C. There was -0.1 mm of rain. There was 1.0 hours of sunshine (7%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
February 16 » The last Mobile army surgical hospital (MASH) is decommissioned by the United States Army.
May 12 » Iranian Azeris interpret a cartoon published in an Iranian magazine as insulting, resulting in massive riots throughout the country.
July 1 » The first operation of Qinghai–Tibet Railway is conducted in China.
July 15 » Twitter, later one of the largest social media platforms in the world, is launched.
August 22 » Grigori Perelman is awarded the Fields Medal for his proof of the Poincaré conjecture in mathematics but refuses to accept the medal.
December 11 » Felipe Calderón, the President of Mexico, launches a military-led offensive to put down the drug cartel violence in the state of Michoacán. This effort is often regarded as the first event in the Mexican Drug 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/I134660.php : accessed October 23, 2026), "Jacoba Boersma (1915-2006)".
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