The temperature on October 13, 1884 was about 8.9 °C. There was 2 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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.
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 6 » The Naval War College of the United States is founded in Rhode Island.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of marriage May 28, 1904
The temperature on May 28, 1904 was between 10.9 °C and 19.8 °C and averaged 15.0 °C. There was 5.4 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 17 » Anton Chekhov's The Cherry Orchard receives its premiere performance at the Moscow Art Theatre.
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
June 16 » Irish author James Joyce begins a relationship with Nora Barnacle and subsequently uses the date to set the actions for his novel Ulysses; this date is now traditionally called "Bloomsday".
August 23 » The automobile tire chain is patented.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
Day of death August 30, 1970
The temperature on August 30, 1970 was between 10.4 °C and 25.0 °C and averaged 17.4 °C. There was 11.0 hours of sunshine (80%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
April 15 » During the Cambodian Civil War, massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.
May 14 » Andreas Baader is freed from custody by Ulrike Meinhof, Gudrun Ensslin and others, a pivotal moment in the formation of the Red Army Faction.
July 23 » Qaboos bin Said al Said becomes Sultan of Oman after overthrowing his father, Said bin Taimur initiating massive reforms, modernization programs and end to a decade long civil war.
August 24 » Vietnam War protesters bomb Sterling Hall at the University of Wisconsin–Madison, leading to an international manhunt for the perpetrators.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
December 2 » The United States Environmental Protection Agency begins operations.
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/I1625.php : accessed October 4, 2026), "Hielkje Koopmans (1884-1970)".
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