The temperature on May 5, 1878 was about 11.3 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
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.
January 1 » Nigeria becomes a British protectorate.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
November 27 » The U.S. Army War College is established.
Day of death May 4, 1961
The temperature on May 4, 1961 was between 9.0 °C and 19.1 °C and averaged 14.5 °C. There was 4.2 mm of rain during 1.5 hours. There was 2.1 hours of sunshine (14%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
March 2 » John F. Kennedy announces the creation of the Peace Corps in a nationally televised broadcast.
April 8 » A large explosion on board the MVDara in the Persian Gulf kills 238.
May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
June 19 » Kuwait declares independence from the United Kingdom.
August 15 » Border guard Conrad Schumann flees from East Germany while on duty guarding the construction of the Berlin Wall.
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/I90274.php : accessed October 3, 2026), "Clara Derksina Sibers (1878-1961)".
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