The temperature on January 26, 1884 was about 8.2 °C. There was 4 mm of rain. The air pressure was 45 kgf/m2 and came mainly from the west-southwest. The airpressure was 73 cm mercury. The atmospheric humidity was 98%. 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.
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.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
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.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of marriage August 26, 1905
The temperature on August 26, 1905 was between 11.4 °C and 21.9 °C and averaged 16.0 °C. There was 2.0 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
June 7 » Norway's parliament dissolves its union with Sweden. The vote was confirmed by a national plebiscite on August 13 of that year.
August 10 » Russo-Japanese War: Peace negotiations begin in Portsmouth, New Hampshire.
August 13 » Norwegians vote to end the union with Sweden.
October 30 » Czar Nicholas II issues the October Manifesto, granting the Russian peoples basic civil liberties and the right to form a duma. (October 17 in the Julian calendar)
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
Day of death June 4, 1971
The temperature on June 4, 1971 was between 12.7 °C and 23.8 °C and averaged 17.7 °C. There was 11.4 hours of sunshine (69%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
May 13 » Over 900 unarmed Bengali Hindus are murdered in the Demra massacre.
August 1 » The Concert for Bangladesh, organized by former Beatle George Harrison, is held at Madison Square Garden in New York City.
November 27 » The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.
December 1 » Cambodian Civil War: Khmer Rouge rebels intensify assaults on Cambodian government positions, forcing their retreat from Kompong Thmar and nearby Ba Ray.
December 9 » Indo-Pakistani War: The Indian Air Force executes an airdrop of Indian Army units, bypassing Pakistani defences.
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/I80132.php : accessed December 28, 2025), "Aafke van der Velde (1884-1971)".
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