The temperature on November 2, 1884 was about 2.9 °C. The air pressure was 1 kgf/m2 and came mainly from the south. The airpressure was 76 cm mercury. The atmospheric humidity was 100%. 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.
January 4 » The Fabian Society is founded in London, United Kingdom.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
August 5 » The cornerstone for the Statue of Liberty is laid on Bedloe's Island (now Liberty Island) in New York Harbor.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
Day of marriage August 19, 1909
The temperature on August 19, 1909 was between 12.3 °C and 20.4 °C and averaged 16.3 °C. There was 1.4 mm of rain. There was 4.3 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
Day of death April 9, 1950
The temperature on April 9, 1950 was between 4.9 °C and 11.4 °C and averaged 8.9 °C. There was 2.5 mm of rain during 2.0 hours. There was 4.5 hours of sunshine (33%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. 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).
March 17 » Researchers at the University of California, Berkeley announce the creation of element 98, which they name "californium".
May 5 » Bhumibol Adulyadej is crowned as King of Thailand.
August 18 » Julien Lahaut, the chairman of the Communist Party of Belgium is assassinated by far-right elements.
September 15 » Korean War: The U.S. X Corps lands at Inchon.
November 8 » Korean War: United States Air Force Lt. Russell J. Brown, while piloting an F-80 Shooting Star, shoots down two North Korean MiG-15s in the first jet aircraft-to-jet aircraft dogfight in history.
November 17 » United Nations Security Council Resolution 89 relating to the Palestine Question is adopted.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I3593.php : accessed February 6, 2026), "Hendrikus Bernardus Albertus Ter Hart (1884-1950)".
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