The temperature on February 26, 1884 was about 2.2 °C. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. 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.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
July 5 » Germany takes possession of Cameroon.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
Day of marriage May 20, 1910
The temperature on May 20, 1910 was between 14.0 °C and 29.0 °C and averaged 21.1 °C. There was 11.4 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
April 29 » The Parliament of the United Kingdom passes the People's Budget, the first budget in British history with the expressed intent of redistributing wealth among the British public.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death November 20, 1965
The temperature on November 20, 1965 was between -2.4 °C and -0.9 °C and averaged -1.7 °C. There was 6.1 mm of rain during 6.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 26 » Hindi becomes the official language of India.
April 28 » United States occupation of the Dominican Republic: American troops land in the Dominican Republic to "forestall establishment of a Communist dictatorship" and to evacuate U.S. Army troops.
May 1 » Cross-Strait relations: Battle of Dong-Yin, a naval conflict between the Republic of China and the People's Republic of China, takes place.
May 18 » Israeli spy Eli Cohen is hanged in Damascus, Syria.
September 6 » India retaliates following Pakistan's Operation Grand Slam which results in the Indo-Pakistani War of 1965 that ends in a stalemate followed by the signing of the Tashkent Declaration.
September 9 » The United States Department of Housing and Urban Development is established.
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/I194450.php : accessed October 13, 2026), "Pieter Posthumus (1884-1965)".
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