The temperature on November 11, 1884 was about 9.6 °C. The air pressure was 5 kgf/m2 and came mainly from the east-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 66%. 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.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
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.
July 5 » Germany takes possession of Cameroon.
October 6 » The Naval War College of the United States is founded in Rhode Island.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of marriage May 22, 1913
The temperature on May 22, 1913 was between 9.2 °C and 14.8 °C and averaged 12.1 °C. There was 6.6 mm of rain. There was 6.3 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 18 » First Balkan War: A Greek flotilla defeats the Ottoman Navy in the Naval Battle of Lemnos, securing the islands of the Northern Aegean Sea for Greece.
February 13 » The 13th Dalai Lama proclaims Tibetan independence following a period of domination by Manchu Qing dynasty and initiated a period of almost four decades of independence.
February 17 » The Armory Show opens in New York City, displaying works of artists who are to become some of the most influential painters of the early 20th century.
March 4 » The United States Department of Labor is formed.
March 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
Day of death August 7, 1970
The temperature on August 7, 1970 was between 14.1 °C and 23.2 °C and averaged 18.5 °C. There was 3.4 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
July 3 » The Troubles: The "Falls Curfew" begins in Belfast, Northern Ireland.
September 7 » Bill Shoemaker beats Johnny Longden's record to become the winningest jockey in horse racing history at Del Mar racetrack
September 9 » A British airliner is hijacked by the Popular Front for the Liberation of Palestine and flown to Dawson's Field in Jordan.
September 16 » King Hussein of Jordan declares war against the Palestine Liberation Organization, the conflict which became to be known as Black September.
December 23 » The North Tower of the World Trade Center in Manhattan, New York, New York is topped out at 1,368 feet (417m), making it the tallest building in the world.
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/I74963.php : accessed October 3, 2026), "Harke Holtrop (1884-1970)".
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