January 30 » The first Anglo-Japanese Alliance is signed in London.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of death March 1, 1918
The temperature on March 1, 1918 was between -3.2 °C and 4.0 °C and averaged 0.1 °C. There was 0.3 mm of rain. There was 1.2 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
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 26 » Finnish Civil War: A group of Red Guards hangs a red lantern atop the tower of Helsinki Workers' Hall to symbolically mark the start of the war.
March 31 » Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks. Nearly 12,000 Azerbaijani Muslims are killed.
September 29 » The Hindenburg Line is broken by an Allied attack.
November 9 » Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.
November 21 » The Flag of Estonia, previously used by pro-independence activists, is formally adopted as the national flag of the Republic of Estonia.
December 14 » Portuguese President Sidónio Pais is assassinated.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I169861.php : accessed December 31, 2025), "Grietje van der Horn (1902-1918)".
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