April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of marriage December 9, 1916
The temperature on December 9, 1916 was between 2.0 °C and 5.7 °C and averaged 3.3 °C. There was 1.3 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 10 » World War I: In the Erzurum Offensive, Russia defeats the Ottoman Empire.
January 12 » Both Oswald Boelcke and Max Immelmann, for achieving eight aerial victories each over Allied aircraft, receive the German Empire's highest military award, the Pour le Mérite as the first German aviators to earn it.
February 29 » Child labor: In South Carolina, the minimum working age for factory, mill, and mine workers is raised from 12 to 14 years old.
June 30 » World War I: In "the day Sussex died", elements of the Royal Sussex Regiment take heavy casualties in the Battle of the Boar's Head at Richebourg-l'Avoué in France.
July 19 » World War I: Battle of Fromelles: British and Australian troops attack German trenches as part of the Battle of the Somme.
September 17 » World War I: Manfred von Richthofen ("The Red Baron"), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
Day of death August 12, 1990
The temperature on August 12, 1990 was between 12.4 °C and 29.2 °C and averaged 21.5 °C. There was 0.3 mm of rain during 0.3 hours. There was 8.8 hours of sunshine (59%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 12 » A seven-day pogrom breaks out against the Armenian civilian population of Baku, Azerbaijan, during which Armenians were beaten, tortured, murdered, and expelled from the city.
April 12 » Jim Gary's "Twentieth Century Dinosaurs" exhibition opens at the Smithsonian Institution National Museum of Natural History in Washington, D.C. He is the only sculptor ever invited to present a solo exhibition there.
June 12 » Russia Day: The parliament of the Russian Federation formally declares its sovereignty.
July 16 » The Luzon earthquake strikes the Philippines with an intensity of 7.7, affecting Benguet, Pangasinan, Nueva Ecija, La Union, Aurora, Bataan, Zambales and Tarlac.
October 13 » Syrian forces attack free areas of Lebanon, removing General Michel Aoun from the presidential palace.
November 14 » After German reunification, the Federal Republic of Germany and Poland sign a treaty confirming the Oder–Neisse line as the border between Germany and Poland.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I32222.php : accessed January 25, 2026), "Geert Bos (1897-1990)".
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