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 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
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
January 3 » The March of Dimes is established as a foundation to combat infant polio by President Franklin D. Roosevelt.
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
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
February 7 » Crown Prince Abdullah becomes the King of Jordan on the death of his father, King Hussein.
April 12 » United States President Bill Clinton is cited for contempt of court for giving "intentionally false statements" in a civil lawsuit; he is later fined and disbarred.
May 28 » In Milan, Italy, after 22 years of restoration work, Leonardo da Vinci's masterpiece The Last Supper is put back on display.
August 31 » The first of a series of bombings in Moscow kills one person and wounds 40 others.
November 30 » In Seattle, United States, demonstrations against a World Trade Organization meeting by anti-globalization protesters catch police unprepared and force the cancellation of opening ceremonies.
December 3 » NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere.
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 21, 2026), "Pieter Boersma (1915-1999)".
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