The temperature on May 6, 1861 was about 7.2 °C. The air pressure was 0.5 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. 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).
March 20 » An earthquake destroys Mendoza, Argentina.
March 30 » Discovery of the chemical elements: Sir William Crookes announces his discovery of thallium.
April 17 » The state of Virginia's secession convention votes to secede from the United States, later becoming the eighth state to join the Confederate States of America.
May 24 » American Civil War: Union troops occupy Alexandria, Virginia.
July 21 » American Civil War: First Battle of Bull Run: At Manassas Junction, Virginia, the first major battle of the war begins and ends in a victory for the Confederate army.
July 25 » American Civil War: The United States Congress passes the Crittenden–Johnson Resolution, stating that the war is being fought to preserve the Union and not to end slavery.
Day of marriage April 10, 1895
The temperature on April 10, 1895 was about 11.1 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. Source: KNMI
January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
March 15 » Heian Shrine is founded.
April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of death June 20, 1920
The temperature on June 20, 1920 was between 9.3 °C and 23.7 °C and averaged 18.1 °C. There was 8.8 hours of sunshine (53%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
December 19 » King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite.
December 24 » Gabriele D'Annunzio surrendered the Italian Regency of Carnaro in the city of Fiume to Italian armed forces.
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/I12769.php : accessed January 31, 2026), "Isadore Christiaan van Abo (1861-1920)".
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