The temperature on August 5, 1861 was about 26.4 °C. The air pressure was 4 kgf/m2 and came mainly from the south. The airpressure was 76 cm mercury. The atmospheric humidity was 56%. Source: KNMI
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).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
January 19 » American Civil War: Georgia joins South Carolina, Florida, Mississippi, and Alabama in declaring secession from the United States.
February 11 » American Civil War: The United States House of Representatives unanimously passes a resolution guaranteeing noninterference with slavery in any state.
June 8 » American Civil War: Tennessee secedes from the Union.
November 1 » American Civil War: U.S. President Abraham Lincoln appoints George B. McClellan as the commander of the Union Army, replacing General Winfield Scott.
November 21 » American Civil War: Confederate President Jefferson Davis appoints Judah Benjamin Secretary of War.
December 9 » American Civil War: The Joint Committee on the Conduct of the War is established by the U.S. Congress.
Day of death August 20, 1867
The temperature on August 20, 1867 was about 30.4 °C. The air pressure was 2 kgf/m2 and came mainly from the south. The airpressure was 76 cm mercury. The atmospheric humidity was 53%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
June 19 » Maximilian I of the Second Mexican Empire is executed by a firing squad in Querétaro, Querétaro.
July 1 » The British North America Act takes effect as the Province of Canada, New Brunswick, and Nova Scotia join into confederation to create the modern nation of Canada. Sir John A. Macdonald is sworn in as the first Prime Minister of Canada. This date is commemorated annually in Canada as Canada Day, a national holiday.
September 28 » Toronto becomes the capital of Ontario, having also been the capital of Ontario's predecessors since 1796.
October 18 » United States takes possession of Alaska after purchasing it from Russia for $7.2million. Celebrated annually in the state as Alaska Day.
December 4 » Former Minnesota farmer Oliver Hudson Kelley founds the Order of the Patrons of Husbandry (better known today as the Grange).
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P19051.php : accessed January 18, 2026), "Helen Howard Potter (1861-1867)".
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