February 21 » An Englishman raised in Australia, Bob Fitzsimmons, fought an Irishman, Peter Maher, in an American promoted event which technically took place in Mexico, winning the 1896 World Heavyweight Championship in boxing.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
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.
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.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
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 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
November 8 » The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
December 6 » World War I: USSJacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SMU-53.
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).
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 10, 2026), "Tjeerd van Os (1896-1950)".
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