The temperature on March 11, 1861 was about 4.9 °C. There was 3 mm of rain. The air pressure was 27 kgf/m2 and came mainly from the west-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 89%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
January 29 » Kansas is admitted as the 34th U.S. state.
March 30 » Discovery of the chemical elements: Sir William Crookes announces his discovery of thallium.
April 12 » American Civil War: Battle of Fort Sumter. The war begins with Confederate forces firing on Fort Sumter, in the harbor of Charleston, South Carolina.
April 17 » The state of Virginia's secession convention votes to secede from the United States, later becoming the eighth state to join the Confederate States of America.
June 10 » American Civil War: Battle of Big Bethel: Confederate troops under John B. Magruder defeat a much larger Union force led by General Ebenezer W. Pierce in Virginia.
July 26 » American Civil War: George B. McClellan assumes command of the Army of the Potomac following a disastrous Union defeat at the First Battle of Bull Run.
Day of marriage March 3, 1894
The temperature on March 3, 1894 was about 0.9 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 100%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
January 7 » Thomas Edison makes a kinetoscopic film of someone sneezing. On the same day, his employee, William Kennedy Dickson, receives a patent for motion picture film.
February 7 » The Cripple Creek miner's strike, led by the Western Federation of Miners, begins in Cripple Creek, Colorado, United States.
March 25 » Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington, D.C.
August 1 » The First Sino-Japanese War erupts between Japan and China over Korea.
September 15 » First Sino-Japanese War: Japan defeats Qing dynasty China in the Battle of Pyongyang.
November 17 » H. H. Holmes, one of the first modern serial killers, is arrested in Boston, Massachusetts.
Day of death April 15, 1935
The temperature on April 15, 1935 was between 0.7 °C and 12.6 °C and averaged 7.3 °C. There was 0.2 mm of rain during 0.2 hours. There was 5.2 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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/I77552.php : accessed October 3, 2026), "Martinus de Groot (1861-1935)".
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