The temperature on April 22, 1884 was about 7.1 °C. The air pressure was 10 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 5 » Germany takes possession of Cameroon.
August 5 » The cornerstone for the Statue of Liberty is laid on Bedloe's Island (now Liberty Island) in New York Harbor.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
Day of death April 23, 1950
The temperature on April 23, 1950 was between 2.9 °C and 13.5 °C and averaged 8.6 °C. There was 0.8 mm of rain during 1.0 hours. There was 5.7 hours of sunshine (40%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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).
May 19 » A barge containing munitions destined for Pakistan explodes in the harbor at South Amboy, New Jersey, devastating the city.
July 5 » Zionism: The Knesset passes the Law of Return which grants all Jews the right to immigrate to Israel.
July 11 » Pakistan joins the International Monetary Fund and the International Bank.
September 4 » Darlington Raceway is the site of the inaugural Southern 500, the first 500-mile NASCAR race.
November 1 » Puerto Rican nationalists Griselio Torresola and Oscar Collazo attempt to assassinate US President Harry S. Truman at Blair House.
November 21 » Two Canadian National Railway trains collide in northeastern British Columbia in the Canoe River train crash; the death toll is 21, with 17 of them Canadian troops bound for Korea.
When copying data from this family tree, please include a reference to the origin: Roelf Schrik, "Family tree Leemborg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-leemborg/I2405.php : accessed February 18, 2026), "Sjoerd Postema (1884-1950)".
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