February 20 » The Postal Service Act, establishing the United States Post Office Department, is signed by United States President George Washington.
March 16 » King Gustav III of Sweden is shot; he dies on March 29.
May 15 » War of the First Coalition: France declares war on Kingdom of Sardinia.
May 21 » A lava dome collapses on Mount Unzen, near the city of Shimbara on the Japanese island of Kyūshū, creating a deadly tsunami that kills nearly 15,000 people.
September 11 » The Hope Diamond is stolen along with other French crown jewels when six men break into the house where they are stored.
December 11 » French Revolution: King Louis XVI of France is put on trial for treason by the National Convention.
Day of death May 12, 1860
The temperature on May 12, 1860 was about 15.4 °C. There was 0.8 mm of rain. The air pressure was 1.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 93%. 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).
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I507445.php : accessed March 15, 2026), "Martje Popkes Popma (1792-1860)".
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