The temperature on December 8, 1864 was about -0.4 °C. The air pressure was 1.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
March 15 » American Civil War: The Red River Campaign: U.S. Navy fleet arrives at Alexandria, Louisiana.
April 18 » Battle of Dybbøl: A Prussian-Austrian army defeats Denmark and gains control of Schleswig. Denmark surrenders the province in the following peace settlement.
June 5 » American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.
June 27 » American Civil War: Confederate forces defeat Union forces during the Battle of Kennesaw Mountain during the Atlanta Campaign.
August 22 » Twelve nations sign the First Geneva Convention, establishing the rules of protection of the victims of armed conflicts.
October 19 » American Civil War: The Battle of Cedar Creek ends the last Confederate threat to Washington, DC.
Day of marriage May 14, 1887
The temperature on May 14, 1887 was about 14.1 °C. The air pressure was 70 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 50%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
Day of death July 18, 1956
The temperature on July 18, 1956 was between 13.1 °C and 23.6 °C and averaged 17.4 °C. There was 11.9 mm of rain during 4.5 hours. There was 2.5 hours of sunshine (15%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
April 19 » Actress Grace Kelly marries Prince Rainier of Monaco.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
May 24 » The first Eurovision Song Contest is held in Lugano, Switzerland.
June 30 » A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
September 16 » TCN-9 Sydney is the first Australian television station to commence regular broadcasts.
December 6 » A violent water polo match between Hungary and the USSR takes place during the 1956 Summer Olympics in Melbourne, against the backdrop of the Hungarian Revolution of 1956.
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/I163592.php : accessed October 24, 2026), "Luktje de Groot (1864-1956)".
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