The temperature on October 7, 1877 was about 10.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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 » Mihail Kogălniceanu reads, in the Chamber of Deputies, the Declaration of Independence of Romania. This day became the Independence Day of Romania.
June 15 » Henry Ossian Flipper becomes the first African American cadet to graduate from the United States Military Academy.
July 21 » After rioting by Baltimore and Ohio Railroad workers and the deaths of nine rail workers at the hands of the Maryland militia, workers in Pittsburgh, Pennsylvania, stage a sympathy strike that is met with an assault by the state militia.
November 24 » Anna Sewell's animal welfare novel Black Beauty is published.
December 6 » The first edition of The Washington Post is published.
December 10 » Russo-Turkish War: The Russian Army captures Plevna after a 5-month siege. The garrison of 25,000 surviving Turks surrenders. The Russian victory is decisive for the outcome of the war and the Liberation of Bulgaria.
Day of marriage February 17, 1899
The temperature on February 17, 1899 was about 5.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 29 » The First Hague Convention is signed.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of death April 28, 1957
The temperature on April 28, 1957 was between 8.0 °C and 19.2 °C and averaged 12.4 °C. There was 6.9 mm of rain during 2.7 hours. There was 8.3 hours of sunshine (57%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I65022.php : accessed February 16, 2026), "Willem Koops (1877-1957)".
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