The temperature on May 12, 1861 was about 14.5 °C. There was 13 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. 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.
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 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 13 » American Civil War: Queen Victoria of the United Kingdom issues a "proclamation of neutrality" which recognizes the Confederacy as having belligerent rights.
May 13 » Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri.
June 8 » American Civil War: Tennessee secedes from the Union.
Day of marriage October 7, 1887
The temperature on October 7, 1887 was about 12.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. 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.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
November 13 » Bloody Sunday clashes in central London.
Day of death February 20, 1942
The temperature on February 20, 1942 was between -5.5 °C and -2.6 °C and averaged -3.7 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 26 » World War II: The first United States forces arrive in Europe landing in Northern Ireland.
May 8 » World War II: The Battle of the Coral Sea comes to an end with Imperial Japanese Navy aircraft carrier aircraft attacking and sinking the United States Navy aircraft carrier USSLexington.
August 24 » World War II: The Battle of the Eastern Solomons. Japanese aircraft carrier Ryūjō is sunk, with the loss of seven officers and 113 crewmen. The US carrier USSEnterprise is heavily damaged.
September 3 » World War II: In response to news of its coming liquidation, Dov Lopatyn leads an uprising in the Ghetto of Lakhva (present-day Belarus).
October 6 » World War II: American troops force the Japanese from their positions east of the Matanikau River on Guadalcanal.
October 9 » Australia's Statute of Westminster Adoption Act 1942 receives royal assent.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I5403.php : accessed March 7, 2026), "Huibertje Heikoop (1861-1942)".
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