The temperature on June 15, 1889 was about 22.1 °C. The air pressure was 4 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
July 11 » Tijuana, Mexico, is founded.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of death April 9, 1961
The temperature on April 9, 1961 was between 2.1 °C and 12.9 °C and averaged 8.0 °C. There was 0.9 mm of rain during 0.5 hours. There was 9.1 hours of sunshine (68%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
April 16 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
June 19 » Kuwait declares independence from the United Kingdom.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I298552.php : accessed March 7, 2026), "Jacobus Sterkens (1889-1961)".
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