The temperature on April 9, 1860 was about 9.5 °C. There was 1 mm of rain. The air pressure was 7 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 64%. 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).
January 1 » The first Polish stamp is issued, replacing the Russian stamps previously in use.
March 28 » First Taranaki War: The Battle of Waireka begins.
April 6 » The Reorganized Church of Jesus Christ of Latter Day Saints, later renamed Community of Christ, is organized by Joseph Smith III and others at Amboy, Illinois.
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.
December 29 » The launch of HMSWarrior, with her combination of screw propeller, iron hull and iron armour, renders all previous warships obsolete.
Day of marriage April 21, 1900
The temperature on April 21, 1900 was about 22.8 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 46%. Source: KNMI
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 9 » The Davis Cup competition is established.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
Day of death March 13, 1947
The temperature on March 13, 1947 was between -1.6 °C and 5.1 °C and averaged 2.8 °C. There was 13.5 mm of rain during 11.3 hours. The average windspeed was 4 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: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I48418.php : accessed February 24, 2026), "Jakob Berends de Roo (1860-1947)".
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