The temperature on January 21, 1877 was about 6.9 °C. The air pressure was 1 kgf/m2 and came mainly from the northwest. The airpressure was 78 cm mercury. The atmospheric humidity was 84%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
May 9 » A magnitude 8.8 earthquake off the coast of Peru kills 2,541, including some as far away as Hawaii and Japan.
May 9 » Mihail Kogălniceanu reads, in the Chamber of Deputies, the Declaration of Independence of Romania. This day became the Independence Day of Romania.
June 17 » American Indian Wars: Battle of White Bird Canyon: The Nez Perce defeat the U.S. Cavalry at White Bird Canyon in the Idaho Territory.
June 20 » Alexander Graham Bell installs the world's first commercial telephone service in Hamilton, Ontario, Canada.
September 24 » The Battle of Shiroyama is a decisive victory of the Imperial Japanese Army over the Satsuma Rebellion.
December 6 » The first edition of The Washington Post is published.
Day of death February 9, 1921
The temperature on February 9, 1921 was between -0.5 °C and 3.3 °C and averaged 1.4 °C. There was 0.9 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 11 » A truce in the Irish War of Independence comes into effect.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
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/I51696.php : accessed October 3, 2026), "Roelof Poelstra (1877-1921)".
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