The temperature on April 14, 1861 was about 8.8 °C. The air pressure was 0.5 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 72%. 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 11 » American Civil War: The United States House of Representatives unanimously passes a resolution guaranteeing noninterference with slavery in any state.
March 10 » El Hadj Umar Tall seizes the city of Ségou, destroying the Bamana Empire of Mali.
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.
April 13 » American Civil War: Fort Sumter surrenders to Confederate forces.
November 7 » American Civil War: Battle of Belmont: In Belmont, Missouri, Union forces led by General Ulysses S. Grant overrun a Confederate camp but are forced to retreat when Confederate reinforcements arrive.
December 4 » The 109 Electors of the several states of the Confederate States of America unanimously elect Jefferson Davis as President and Alexander H. Stephens as Vice President.
Day of marriage April 18, 1885
The temperature on April 18, 1885 was about 21.3 °C. The air pressure was 5 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 25%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 17 » A British force defeats a large Dervish army at the Battle of Abu Klea in the Sudan.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
March 31 » The United Kingdom establishes the Bechuanaland Protectorate.
August 14 » Japan's first patent is issued to the inventor of a rust-proof paint.
November 19 » Serbo-Bulgarian War: Bulgarian victory in the Battle of Slivnitsa solidifies the unification between the Principality of Bulgaria and Eastern Rumelia.
November 28 » Bulgarian victory in the Serbo-Bulgarian War preserves the Unification of Bulgaria.
Day of death September 23, 1926
The temperature on September 23, 1926 was between 5.1 °C and 18.8 °C and averaged 11.5 °C. There was 7.4 hours of sunshine (61%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
March 16 » History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts.
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I213765.php : accessed February 10, 2026), "Roelf Zaatjer (1861-1926)".
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