The temperature on January 14, 1884 was about 7.5 °C. There was 2 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 97%. 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.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
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.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of marriage April 21, 1906
The temperature on April 21, 1906 was between 6.4 °C and 14.9 °C and averaged 10.4 °C. There was 4.5 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 18 » Édouard de Laveleye forms the Belgian Olympic Committee in Brussels.
April 7 » Mount Vesuvius erupts and devastates Naples.
September 13 » The Santos-Dumont 14-bis makes a short hop, the first flight of a fixed-wing aircraft in Europe.
September 24 » Racial tensions exacerbated by rumors lead to the Atlanta Race Riot, further increasing racial segregation.
October 11 » San Francisco sparks a diplomatic crisis between the United States and Japan by ordering segregated schools for Japanese students.
November 24 » A 13–6 victory by the Massillon Tigers over their rivals, the Canton Bulldogs, for the "Ohio League" Championship, leads to accusations that the championship series was fixed and results in the first major scandal in professional American football.
When copying data from this family tree, please include a reference to the origin: RS de Jonge, "De Jonge stamboom", database, Genealogy Online (https://www.genealogieonline.nl/de-jonge-stamboom/I269.php : accessed January 31, 2026), "Willem Mulder (1884-????)".
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