February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
July 20 » The Ford Motor Company ships its first automobile.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of death April 23, 1975
The temperature on April 23, 1975 was between 6.9 °C and 13.1 °C and averaged 9.5 °C. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
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 21 » Watergate scandal: Former United States Attorney General John N. Mitchell and former White House aides H. R. Haldeman and John Ehrlichman are sentenced to prison.
April 4 » Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico.
June 25 » Prime Minister Indira Gandhi declares a state of internal emergency in India.
July 17 » Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
October 16 » Indonesian troops kill the Balibo Five, a group of Australian journalists, Portuguese Timor.
November 25 » Suriname gains independence from the Netherlands.
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/I131871.php : accessed February 13, 2026), "Sjouke Sipma (1903-1975)".
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