January 4 » Utah is admitted as the 45th U.S. state.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
July 28 » The city of Miami, Florida is incorporated.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
December 9 » World War I: Field Marshal Allenby captures Jerusalem, Palestine.
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 17 » The Great Brink's Robbery: Eleven thieves steal more than $2 million from an armored car company's offices in Boston.
January 26 » The Constitution of India comes into force, forming a republic. Rajendra Prasad is sworn in as its first President of India. Observed as Republic Day in India.
March 7 » Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.
June 24 » Apartheid: In South Africa, the Group Areas Act is passed, formally segregating races.
December 2 » Korean War: Battle of the Ch'ongch'on River ended, with decisive Chinese victory, UN forces were completely expelled from North Korea.
December 25 » The Stone of Scone, traditional coronation stone of British monarchs, is taken from Westminster Abbey by Scottish nationalist students. It later turns up in Scotland on April 11, 1951.
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 October 15, 2026), "Tjeerd van Os (1896-1950)".
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