January 30 » The first Anglo-Japanese Alliance is signed in London.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of death February 15, 1921
The temperature on February 15, 1921 was between 2.7 °C and 7.9 °C and averaged 5.5 °C. There was 0.3 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
March 15 » Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian Genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
September 11 » Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel.
When copying data from this family tree, please include a reference to the origin: L. van de Graaf, "Family tree Van de Graaf - Zindel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-de-graaf-zindel/I14752.php : accessed June 17, 2024), "Antonie van Santen (1902-1921)".
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