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.
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.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
August 5 » The cornerstone for the Statue of Liberty is laid on Bedloe's Island (now Liberty Island) in New York Harbor.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
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
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
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
March 6 » Premier Tom Playford of South Australia loses power after 27 years in office.
July 30 » U.S. President Lyndon B. Johnson signs the Social Security Act of 1965 into law, establishing Medicare and Medicaid.
September 30 » The Lockheed L-100, the civilian version of the C-130 Hercules, is introduced.
November 24 » Joseph-Désiré Mobutu seizes power in the Democratic Republic of the Congo and becomes President; he rules the country (which he renames Zaire in 1971) for over 30 years, until being overthrown by rebels in 1997.
December 4 » The Grateful Dead's first concert performance under this new name.
December 21 » International Convention on the Elimination of All Forms of Racial Discrimination is adopted.
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 16, 2026), "Pieter Posthumus (1884-1965)".
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