The temperature on April 15, 1889 was about 6.1 °C. There was 0.2 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
March 31 » The Eiffel Tower is officially opened.
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.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage April 18, 1912
The temperature on April 18, 1912 was between 2.6 °C and 17.0 °C and averaged 10.2 °C. There was 11.7 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
May 8 » Paramount Pictures is founded.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
Day of death April 16, 1960
The temperature on April 16, 1960 was between 0.2 °C and 9.5 °C and averaged 5.1 °C. There was 2.6 mm of rain during 0.7 hours. There was 6.0 hours of sunshine (43%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
May 1 » Formation of the western Indian states of Gujarat and Maharashtra; also known as "Maharashtra Day".
June 23 » The United States Food and Drug Administration declares Enovid to be the first officially approved combined oral contraceptive pill in the world.
July 11 » To Kill a Mockingbird by Harper Lee is first published, in the United States.
September 24 » USSEnterprise, the world's first nuclear-powered aircraft carrier, is launched.
October 12 » Soviet Premier Nikita Khrushchev pounds his shoe on a desk at the United Nations to protest a Philippine assertion.
November 28 » Mauritania becomes independent of France.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I20580.php : accessed March 13, 2026), "Geessina Harmanna Muller (1889-1960)".
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