April 2 » The Coinage Act is passed establishing the United States Mint.
April 28 » France invades the Austrian Netherlands (present day Belgium and Luxembourg), beginning the French Revolutionary Wars.
May 11 » Robert Gray commands the first expedition to sail into the Columbia River.
May 17 » The New York Stock Exchange is formed under the Buttonwood Agreement.
October 3 » A militia departs from the Spanish stronghold of Valdivia to quell a Huilliche uprising in southern Chile.
October 29 » Mount Hood (Oregon) is named after Samuel Hood, 1st Viscount Hood by Lt. William E. Broughton who sighted the mountain near the mouth of the Willamette River.
Day of death August 31, 1860
The temperature on August 31, 1860 was about 15.6 °C. The air pressure was 2 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 82%. 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: Olga D. van de Veer, "Family tree van de Veer - Postma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-postma/I1476.php : accessed January 6, 2026), "Martinus Hendriks van der Meulen (1791-1860)".
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