The temperature on March 10, 1861 was about 9.9 °C. There was 0.7 mm of rain. The air pressure was 21 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. 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 11 » American Civil War: Alabama secedes from the United States.
February 18 » With Italian unification almost complete, Victor Emmanuel II of Piedmont, Savoy and Sardinia assumes the title of King of Italy.
April 15 » President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
August 6 » Britain imposes the Lagos Treaty of Cession to suppress slavery in what is now Nigeria.
August 19 » First ascent of Weisshorn, fifth highest summit in the Alps.
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.
Christening day March 31, 1861
The temperature on March 31, 1861 was about 10.0 °C. The air pressure was 0.5 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. 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).
February 13 » Italian unification: The Siege of Gaeta ends with the capitulation of the defending fortress, effectively bringing an end of the Kingdom of the Two Sicilies.
March 4 » The first national flag of the Confederate States of America (the "Stars and Bars") is adopted.
April 12 » American Civil War: Battle of Fort Sumter. The war begins with Confederate forces firing on Fort Sumter, in the harbor of Charleston, South Carolina.
August 6 » Britain imposes the Lagos Treaty of Cession to suppress slavery in what is now Nigeria.
October 25 » The Toronto Stock Exchange is created.
November 7 » The first Melbourne Cup horse race is held in Melbourne, Australia.
Day of death January 8, 1868
The temperature on January 8, 1868 was about -4.7 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. 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).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 27 » Boshin War: The Battle of Toba–Fushimi begins, between forces of the Tokugawa shogunate and pro-Imperial factions; it will end in defeat for the shogunate, and is a pivotal point in the Meiji Restoration.
May 29 » Mihailo Obrenović III, Prince of Serbia is assassinated.
July 9 » The 14th Amendment to the United States Constitution is ratified, guaranteeing African Americans full citizenship and all persons in the United States due process of law.
July 25 » The Wyoming Territory is established.
August 18 » French astronomer Pierre Janssen discovers helium.
November 2 » Time zone: New Zealand officially adopts a standard time to be observed nationally.
Day of burial January 10, 1868
The temperature on January 10, 1868 was about -5.5 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 100%. 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).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 27 » Boshin War: The Battle of Toba–Fushimi begins, between forces of the Tokugawa shogunate and pro-Imperial factions; it will end in defeat for the shogunate, and is a pivotal point in the Meiji Restoration.
March 1 » The Pi Kappa Alpha fraternity is founded at the University of Virginia.
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
August 13 » The 8.5–9.0 Mw Arica earthquake struck southern Peru with a maximum Mercalli intensity of XI (Extreme), causing 25,000+ deaths and a destructive basin wide tsunami that affected Hawaii and New Zealand.
August 18 » French astronomer Pierre Janssen discovers helium.
September 28 » The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I517030.php : accessed February 3, 2026), "Petronella Wilhelmina Dreyer (1861-1868)".
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