The temperature on February 15, 1860 was about 2.5 °C. There was 0.3 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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 9 » On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice.
May 18 » Abraham Lincoln wins the Republican Party presidential nomination over William H. Seward, who later becomes the United States Secretary of State.
May 27 » Giuseppe Garibaldi begins his attack on Palermo, Sicily, as part of the Italian unification.
October 17 » First The Open Championship (referred to in North America as the British Open).
December 20 » South Carolina becomes the first state to attempt to secede from the United States.
Day of death June 14, 1926
The temperature on June 14, 1926 was between 7.0 °C and 17.7 °C and averaged 12.7 °C. There was 4.8 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 8 » Abdul-Aziz ibn Saud is crowned King of Hejaz.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 4 » The United Kingdom general strike begins.
June 14 » Brazil leaves the League of Nations.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
December 17 » Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful.
When copying data from this family tree, please include a reference to the origin: Roelf Schrik, "Family tree Julius", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-julius/I200.php : accessed February 19, 2026), "Willem Siebrands (1860-1926)".
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