January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
Day of death December 3, 1950
The temperature on December 3, 1950 was between -0.6 °C and 3.6 °C and averaged 1.8 °C. There was 1.8 mm of rain during 2.8 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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 5 » In the Sverdlovsk air disaster, all 19 of those on board are killed, including almost the entire national ice hockey team (VVS Moscow) of the Soviet Air Force – 11 players, as well as a team doctor and a masseur.
January 17 » United Nations Security Council Resolution 79 relating to arms control is adopted.
May 5 » Bhumibol Adulyadej is crowned as King of Thailand.
September 15 » Korean War: The U.S. X Corps lands at Inchon.
October 7 » Mother Teresa establishes the Missionaries of Charity.
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: Willem Harting, "Harting family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-harting/I97.php : accessed March 11, 2026), "Adriana Cornelia Pettersson (1889-1950)".
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