The temperature on December 19, 1915 was between -0.9 °C and 6.2 °C and averaged 2.4 °C. There was 0.3 mm of rain. There was 2.9 hours of sunshine (38%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 20 » Albert Einstein publishes his general theory of relativity.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of marriage May 14, 1938
The temperature on May 14, 1938 was between 8.1 °C and 25.2 °C and averaged 17.8 °C. There was 9.9 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 18 » Second Sino-Japanese War: During the Nanking Massacre, the Nanking Safety Zone International Committee is renamed "Nanking International Rescue Committee", and the safety zone in place for refugees falls apart.
March 3 » Oil is discovered in Saudi Arabia.
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
Day of death February 3, 1999
The temperature on February 3, 1999 was between 4.9 °C and 9.1 °C and averaged 7.1 °C. There was 0.2 mm of rain during 0.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 21 » War on Drugs: In one of the largest drug busts in American history, the United States Coast Guard intercepts a ship with over 4,300 kilograms (9,500lb) of cocaine on board.
March 24 » Kosovo war: NATO began attacks on Yugoslavia without United Nations Security Council (UNSC) approval, marking the first time NATO has attacked a sovereign country.
April 8 » Haryana Gana Parishad, a political party in the Indian state of Haryana, merges with the Indian National Congress.
May 6 » The first elections to the devolved Scottish Parliament and Welsh Assembly are held.
May 24 » The International Criminal Tribunal for the former Yugoslavia in The Hague, Netherlands indicts Slobodan Milošević and four others for war crimes and crimes against humanity committed in Kosovo.
October 31 » Yachtsman Jesse Martin returns to Melbourne after 11 months of circumnavigating the world, solo, non-stop and unassisted.
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/I187609.php : accessed October 17, 2026), "Pieter Boersma (1915-1999)".
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