February 5 » In Calabria, a sequence of strong earthquakes begins.
May 26 » A Great Jubilee Day held at North Stratford, Connecticut, celebrated the end of fighting in the American Revolution.
June 4 » The Montgolfier brothers publicly demonstrate their montgolfière (hot air balloon).
June 22 » A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
August 4 » Mount Asama erupts in Japan, killing about 1,400 people. The eruption causes a famine, which results in an additional 20,000 deaths.
November 3 » The American Continental Army is disbanded.
Day of death February 20, 1860
The temperature on February 20, 1860 was about 3.1 °C. There was 0.1 mm of rain. The air pressure was 5.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 74 cm mercury. The atmospheric humidity was 77%. 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 24 » Sakuradamon Incident: Assassination of Japanese Chief Minister (Tairō) Ii Naosuke.
May 5 » Giuseppe Garibaldi sets sail from Genoa, leading the expedition of the Thousand to conquer the Kingdom of the Two Sicilies and giving birth to the Kingdom of Italy.
September 20 » The future King Edward VII of the United Kingdom begins the first visit to North America by a Prince of Wales.
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.
When copying data from this family tree, please include a reference to the origin: Theodorus Gerardus Marie Koken, "Family tree Theodorus Gerardus Marie Koken", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koken/I60.php : accessed February 7, 2026), "Gerard(Us) Verkennis (1783-1860)".
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