April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death January 15, 1947
The temperature on January 15, 1947 was between 3.9 °C and 10.6 °C and averaged 8.0 °C. There was 0.1 mm of rain. There was 1.2 hours of sunshine (15%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 12 » The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
July 26 » Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.
August 7 » Thor Heyerdahl's balsa wood raft, the Kon-Tiki, smashes into the reef at Raroia in the Tuamotu Islands after a 101-day, 7,000 kilometres (4,300mi) journey across the Pacific Ocean in an attempt to prove that pre-historic peoples could have traveled from South America.
October 5 » President Truman makes the first televised Oval Office address.
November 30 » Civil War in Mandatory Palestine begins, leading up to the creation of the state of Israel.
When copying data from this family tree, please include a reference to the origin: Peter John Oswald, "Pop Oswald Tree", database, Genealogy Online (https://www.genealogieonline.nl/pop-oswald-tree/P36377.php : accessed December 6, 2025), "Margaret Wilhemena TOMASHASKA (1895-1947)".
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