April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Cadillac Motor Company is founded.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage April 16, 1924
The temperature on April 16, 1924 was between 3.8 °C and 9.0 °C and averaged 6.2 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 14 » The Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation (IBM).
March 16 » In accordance with the Treaty of Rome, Fiume becomes annexed as part of Italy.
June 10 » Fascists kidnap and kill Italian Socialist leader Giacomo Matteotti in Rome.
October 7 » Andreas Michalakopoulos becomes prime minister of Greece for a short period of time.
October 25 » The Zinoviev letter, which Zinoviev himself denied writing, is published in the Daily Mail; the Labour party would later blame this letter for the Conservatives' landslide election win four days later.
December 1 » The National Hockey League's first United States-based franchise, the Boston Bruins, played their first game in league play at home, at the still-extant Boston Arena indoor hockey facility.
Day of death August 7, 1950
The temperature on August 7, 1950 was between 12.2 °C and 24.2 °C and averaged 18.7 °C. There was 8.6 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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).
January 13 » British submarine HMSTruculent collides with an oil tanker in the Thames Estuary, killing 64 men.
January 13 » Finland forms diplomatic relations with the People's Republic of China.
January 21 » American lawyer and government official Alger Hiss is convicted of perjury.
June 28 » Korean War: North Korean Army conducts the Seoul National University Hospital massacre.
October 9 » The Goyang Geumjeong Cave massacre in Korea begins.
November 26 » Korean War: Troops from the People's Republic of China launch a massive counterattack in North Korea against South Korean and United Nations forces (Battle of the Ch'ongch'on River and Battle of Chosin Reservoir), ending any hopes of a quick end to the conflict.
When copying data from this family tree, please include a reference to the origin: Michael, "Family tree Halderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-halderman/I7.php : accessed January 18, 2026), "Matthijs Halderman (1902-1950)".
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