March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
May 19 » New England's Dark Day, an unusual darkening of the day sky, was observed over the New England states and parts of Canada.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
November 9 » American Revolutionary War: In the Battle of Fishdam Ford a force of British and Loyalist troops fail in a surprise attack against the South Carolina Patriot militia under Brigadier General Thomas Sumter.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
Christening day December 31, 1780
The temperature on December 31, 1780 was about 6.0 °C. Wind direction mainly west-southwest. Weather type: betrokken mist. Source: KNMI
May 19 » New England's Dark Day, an unusual darkening of the day sky, was observed over the New England states and parts of Canada.
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
November 4 » The Rebellion of Túpac Amaru II against Spanish rule in the Viceroyalty of Peru begins.
November 5 » French-American forces under Colonel LaBalme are defeated by Miami Chief Little Turtle.
Day of death September 12, 1860
The temperature on September 12, 1860 was about 15.4 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 59%. 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/I494548.php : accessed February 24, 2026), "Siemen Hendriks Koen (1780-1860)".
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