The temperature on November 9, 1884 was about 11.1 °C. The air pressure was 3 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 80%. 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.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
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 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
July 3 » Dow Jones & Company publishes its first stock average.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
Day of death January 18, 1964
The temperature on January 18, 1964 was between -9.1 °C and 1.4 °C and averaged -4.7 °C. There was 6.7 hours of sunshine (80%). The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 9 » Martyrs' Day: Several Panamanian youths try to raise the Panamanian flag in the U.S.-controlled Panama Canal Zone, leading to fighting between U.S. military and Panamanian civilians.
March 19 » Over 500,000 Brazilians attend the March of the Family with God for Liberty, in protest against the government of João Goulart and against communism.
May 9 » Ngô Đình Cẩn, de facto ruler of central Vietnam under his brother President Ngô Đình Diệm before the family's toppling, is executed.
June 12 » Anti-apartheid activist and ANC leader Nelson Mandela is sentenced to life in prison for sabotage in South Africa.
July 20 » Vietnam War: Viet Cong forces attack the capital of Định Tường Province, Cái Bè, killing 11 South Vietnamese military personnel and 40 civilians (30 of whom are children).
October 1 » The Free Speech Movement is launched on the campus of the University of California, Berkeley.
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/I213208.php : accessed October 25, 2026), "Klaas Onne Pool (1884-1964)".
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