The temperature on November 26, 1912 was between 5.1 °C and 9.1 °C and averaged 7.1 °C. There was 1.6 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
May 8 » Paramount Pictures is founded.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
Day of marriage May 19, 1936
The temperature on May 19, 1936 was between 9.2 °C and 22.6 °C and averaged 16.1 °C. There was 14.1 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
August 1 » The Olympics opened in Berlin with a ceremony presided over by Adolf Hitler.
August 31 » Radio Prague, now the official international broadcasting station of the Czech Republic, goes on the air.
September 6 » Spanish Civil War: The Interprovincial Council of Asturias and León is established.
September 10 » First World Individual Motorcycle Speedway Championship, Held at London's (England) Wembley Stadium
October 5 » The Jarrow March sets off for London.
Day of death March 24, 2000
The temperature on March 24, 2000 was between 4.9 °C and 12.3 °C and averaged 8.8 °C. There was 4.4 mm of rain during 3.8 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
August 21 » Tiger Woods, American professional golfer, wins the 82nd PGA Championship and becomes the first golfer since Ben Hogan in 1953 to win three majors in a calendar year.
September 14 » Microsoft releases Windows ME.
September 26 » Anti-globalization protests in Prague (some 20,000 protesters) turn violent during the IMF and World Bank summits.
September 30 » Israeli-Palestinian conflict: 12-year-old Muhammad al-Durrah is shot and killed on the second day of the Second Intifada.
November 7 » Controversial US presidential election that is later resolved in the Bush v. Gore Supreme Court Case, electing George W. Bush the 43rd President of the United States.
December 31 » The last day of the 20th Century and 2nd Millennium.
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/I190169.php : accessed February 12, 2026), "Trientje Sierdsema (1912-2000)".
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