The temperature on January 14, 1862 was about 3.8 °C. The air pressure was 0.5 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 87%. Source: KNMI
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).
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
June 1 » American Civil War: Peninsula Campaign: The Battle of Seven Pines (or the Battle of Fair Oaks) ends inconclusively, with both sides claiming victory.
July 12 » The Medal of Honor is authorized by the United States Congress.
September 5 » American Civil War: The Army of Northern Virginia crosses the Potomac River at White's Ford in the Maryland Campaign.
October 8 » American Civil War: The Confederate invasion of Kentucky is halted at the Battle of Perryville.
December 12 » American Civil War: USSCairo sinks on the Yazoo River.
December 31 » American Civil War: Abraham Lincoln signs an act that admits West Virginia to the Union, thus dividing Virginia in two.
Day of marriage August 13, 1881
The temperature on August 13, 1881 was about 12.5 °C. There was 2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 91%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
January 25 » Thomas Edison and Alexander Graham Bell form the Oriental Telephone Company.
March 13 » Alexander II of Russia is assassinated.
May 10 » Carol I is crowned the King of the Romanian Kingdom.
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
November 7 » Mapuche rebels attack the Chilean settlement of Nueva Imperial, as defenders fled to the hills and the settlement was effectively destroyed.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Apool", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-apool/I1099496765.php : accessed February 26, 2026), "Willem Proper (1862-????)".
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