The temperature on May 18, 1861 was about 11.4 °C. The air pressure was 1.5 kgf/m2 and came mainly from the north. The airpressure was 77 cm mercury. The atmospheric humidity was 54%. 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 18 » In Montgomery, Alabama, Jefferson Davis is inaugurated as the provisional President of the Confederate States of America.
February 23 » President-elect Abraham Lincoln arrives secretly in Washington, D.C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.
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.
May 6 » American Civil War: Arkansas secedes from the Union.
May 20 » American Civil War: The state of Kentucky proclaims its neutrality, which will last until September 3 when Confederate forces enter the state. Meanwhile, the State of North Carolina secedes from the Union.
December 10 » Forces led by Nguyễn Trung Trực, an anti-colonial guerrilla leader in southern Vietnam, sink the French lorcha L'Esperance.
Day of death February 4, 1943
The temperature on February 4, 1943 was between 0.6 °C and 6.5 °C and averaged 3.7 °C. There was 1.0 mm of rain during 1.0 hours. There was 0.8 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 13 » The Jefferson Memorial is dedicated in Washington, D.C., on the 200th anniversary of President Thomas Jefferson's birth.
April 16 » Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD. He intentionally takes the drug three days later on April 19.
April 18 » World War II: Operation Vengeance, Admiral Isoroku Yamamoto is killed when his aircraft is shot down by U.S. fighters over Bougainville Island.
July 25 » World War II: Benito Mussolini is forced out of office by the Grand Council of Fascism and is replaced by Pietro Badoglio.
August 17 » World War II: The Royal Air Force begins Operation Hydra, the first air raid of the Operation Crossbow strategic bombing campaign against Germany's V-weapon program.
October 19 » Streptomycin, the first antibiotic remedy for tuberculosis, is isolated by researchers at Rutgers University.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I588601.php : accessed January 31, 2026), "Ludovicus van Laer (1861-1943)".
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