April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death December 17, 1950
The temperature on December 17, 1950 was between -4.2 °C and 0.9 °C and averaged -1.4 °C. There was 1.9 mm of rain during 6.9 hours. There was 2.1 hours of sunshine (27%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southeast. 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).
March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
March 7 » Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.
May 13 » The first round of the Formula One World Championship is held at Silverstone.
August 24 » Edith Sampson becomes the first black U.S. delegate to the United Nations.
October 19 » Korean War: The Battle of Pyongyang ends in a United Nations victory. Hours later, the Chinese Army begins crossing the border into Korea.
November 1 » Puerto Rican nationalists Griselio Torresola and Oscar Collazo attempt to assassinate US President Harry S. Truman at Blair House.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I73569.php : accessed March 16, 2026), "Trijntje Neeltje Moerman (1897-1950)".
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