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.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
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.
July 3 » Dow Jones & Company publishes its first stock average.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
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
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
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
March 23 » NASA launches Gemini 3, the United States' first two-man space flight (crew: Gus Grissom and John Young).
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.
August 5 » The Indo-Pakistani War of 1965 begins as Pakistani soldiers cross the Line of Control dressed as locals.
September 20 » Following the Battle of Burki, the Indian Army captures Dograi in course of the Indo-Pakistani War of 1965.
September 22 » The Indo-Pakistani War of 1965 between India and Pakistan over Kashmir, ends after the United Nations calls for a ceasefire.
November 2 » Norman Morrison, a 31-year-old Quaker, sets himself on fire in front of the river entrance to the Pentagon to protest the use of napalm in the Vietnam war.
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 15, 2026), "Pieter Posthumus (1884-1965)".
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