April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 1 » Canada and Bermuda are linked by telegraph cable.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
July 3 » Idaho is admitted as the 43rd U.S. state.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
Day of death February 22, 1975
The temperature on February 22, 1975 was between -1.2 °C and 6.7 °C and averaged 2.5 °C. There was 7.2 hours of sunshine (69%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 4 » Haicheng earthquake (magnitude 7.3 on the Richter scale) occurs in Haicheng, Liaoning, China.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
July 6 » The Comoros declares independence from France.
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.
July 30 » Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30p.m. He is never seen or heard from again.
September 16 » Papua New Guinea gains independence from Australia.
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/I106964.php : accessed December 24, 2025), "Sybren Kamstra (1890-1975)".
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