April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
July 9 » William Jennings Bryan delivers his Cross of Gold speech advocating bimetallism at the 1896 Democratic National Convention in Chicago.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of marriage May 12, 1917
The temperature on May 12, 1917 was between 10.1 °C and 27.0 °C and averaged 19.2 °C. There was 7.8 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
May 26 » Several powerful tornadoes rip through Illinois, including the city of Mattoon.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
Day of death January 2, 1950
The temperature on January 2, 1950 was between -0.3 °C and 8.2 °C and averaged 4.8 °C. There was 8.5 mm of rain during 7.3 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 31 » Cold War: U.S. President Harry S. Truman announces a program to develop the hydrogen bomb.
June 3 » Herzog and Lachenal of the French Annapurna expedition become the first climbers to reach the summit of an 8,000-metre peak.
June 28 » Korean War: Packed with its own refugees fleeing Seoul and leaving their 5th Division stranded, South Korean forces blow up the Hangang Bridge in an attempt to slow North Korea's offensive. The city falls later that day.
August 1 » Guam is organized as a United States commonwealth as the President Harry S. Truman signs the Guam Organic Act.
August 18 » Julien Lahaut, the chairman of the Communist Party of Belgium is assassinated by far-right elements.
November 13 » General Carlos Delgado Chalbaud, President of Venezuela, is assassinated in Caracas.
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/I109341.php : accessed December 28, 2025), "Tjeerd van Os (1896-1950)".
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