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 19 » American Civil War: Georgia joins South Carolina, Florida, Mississippi, and Alabama in declaring secession from the United States.
March 4 » The first national flag of the Confederate States of America (the "Stars and Bars") is adopted.
May 13 » Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri.
August 29 » American Civil War: The Battle of Hatteras Inlet Batteries gives Federal forces control of Pamlico Sound.
September 3 » American Civil War: Confederate General Leonidas Polk invades neutral Kentucky, prompting the state legislature to ask for Union assistance.
October 17 » Aborigines kill Nineteen Europeans in the Cullin-la-ringo massacre.
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.
March 16 » Jules Massenet's opera Thaïs is first performed.
April 21 » Norway formally adopts the Krag–Jørgensen bolt-action rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.
May 21 » The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.
July 25 » The First Sino-Japanese War begins when the Japanese fire upon a Chinese warship.
September 15 » First Sino-Japanese War: Japan defeats Qing dynasty China in the Battle of Pyongyang.
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
January 13 » A plebiscite in Saarland shows that 90.3% of those voting wish to join Nazi Germany.
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
April 23 » The Polish Constitution of 1935 is adopted.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
October 3 » Second Italo-Abyssinian War: Italy invades Ethiopia.
December 9 » The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago.
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 2, 2026), "Martinus de Groot (1861-1935)".
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