March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
Day of death April 10, 1973
The temperature on April 10, 1973 was between -1.7 °C and 8.7 °C and averaged 4.0 °C. There was -0.1 mm of rain. There was 10.5 hours of sunshine (78%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 22 » Cold War: Following President Richard Nixon's visit to the People's Republic of China, the two countries agree to establish liaison offices.
April 1 » Project Tiger, a tiger conservation project, is launched in the Jim Corbett National Park, India.
April 2 » Launch of the LexisNexis computerized legal research service.
June 28 » Elections are held for the Northern Ireland Assembly, which will lead to power-sharing between unionists and nationalists in Northern Ireland for the first time.
July 31 » A Delta Air Lines jetliner, flight DL 723 crashes while landing in fog at Logan International Airport, Boston, Massachusetts killing 89.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I605103.php : accessed February 27, 2026), "Julius - Jules Witters (1895-1973)".
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