The temperature on January 13, 1860 was about -0.9 °C. The air pressure was 0.5 kgf/m2 and came mainly from the east-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 94%. Source: KNMI
From March 18, 1858 till February 23, 1860 the Netherlands had a cabinet Rochussen - Van Bosse with the prime ministers J.J. Rochussen (conservatief-liberaal) and Mr. P.P. van Bosse (liberaal).
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).
March 5 » Parma, Tuscany, Modena and Romagna vote in referendums to join the Kingdom of Sardinia.
April 3 » The first successful United States Pony Express run from St. Joseph, Missouri, to Sacramento, California, begins.
May 27 » Giuseppe Garibaldi begins his attack on Palermo, Sicily, as part of the Italian unification.
June 23 » The United States Congress establishes the Government Printing Office.
September 21 » Second Opium War: An Anglo-French force defeats Chinese troops at the Battle of Palikao.
December 20 » South Carolina becomes the first state to attempt to secede from the United States.
Day of marriage July 20, 1883
The temperature on July 20, 1883 was about 13.5 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 73%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
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.
February 23 » Alabama becomes the first U.S. state to enact an anti-trust law.
May 20 » Krakatoa begins to erupt; the volcano explodes three months later, killing more than 36,000 people.
May 24 » The Brooklyn Bridge in New York City is opened to traffic after 14 years of construction.
August 25 » France and Viet Nam sign the Treaty of Huế, recognizing a French protectorate over Annam and Tonkin.
August 27 » Eruption of Krakatoa: Four enormous explosions destroy the island of Krakatoa and cause years of climate change.
October 22 » Mödling and Hinterbrühl Tram, Vienna, Austria, first electric tram powered by overhead wire.
Day of death October 7, 1934
The temperature on October 7, 1934 was between 10.2 °C and 14.7 °C and averaged 12.5 °C. There was 3.2 mm of rain during 2.7 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I2009.php : accessed February 17, 2026), "Geesje Jonkman (1860-1934)".
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