The temperature on April 25, 1909 was between 6.5 °C and 14.5 °C and averaged 10.7 °C. There was 7.2 mm of rain. There was 8.8 hours of sunshine (61%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
April 11 » The city of Tel Aviv is founded.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
Day of marriage September 11, 1946
The temperature on September 11, 1946 was between 10.5 °C and 17.8 °C and averaged 13.9 °C. There was 3.3 mm of rain during 1.9 hours. There was 2.5 hours of sunshine (19%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
February 15 » ENIAC, the first electronic general-purpose computer, is formally dedicated at the University of Pennsylvania in Philadelphia.
March 29 » Instituto Tecnológico Autónomo de México, one of Mexico's leading universities, is founded.
April 29 » The International Military Tribunal for the Far East convenes and indicts former Prime Minister of Japan Hideki Tojo and 28 former Japanese leaders for war crimes.
July 4 » After 381 years of near-continuous colonial rule by various powers, the Philippines attains full independence from the United States.
July 15 » State of North Borneo, today in Sabah, Malaysia, annexed by the United Kingdom.
August 8 » First flight of the Convair B-36, the world's first mass-produced nuclear weapon delivery vehicle, the heaviest mass-produced piston-engined aircraft, with the longest wingspan of any military aircraft, and the first bomber with intercontinental range.
When copying data from this family tree, please include a reference to the origin: Theo Bones, "Genealogy Bones", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-bones/I93.php : accessed February 16, 2026), "Maria Geertruida Bonnes (1909-)".
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