The temperature on April 21, 1863 was about 13.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
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.
January 1 » American Civil War: The Emancipation Proclamation takes effect in Confederate territory.
January 10 » The Metropolitan Railway, the world's oldest underground railway, opens between Paddington and Farringdon, marking the beginning of the London Underground.
March 19 » The SSGeorgiana, said to have been the most powerful Confederate cruiser, is destroyed on her maiden voyage with a cargo of munitions, medicines, and merchandise then valued at over $1,000,000.
May 17 » Rosalía de Castro publishes Cantares Gallegos, the first book in the Galician language.
November 19 » American Civil War: U.S. President Abraham Lincoln delivers the Gettysburg Address at the dedication ceremony for the military cemetery at Gettysburg, Pennsylvania.
November 29 » American Civil War: Battle of Fort Sanders: Union forces under Ambrose Burnside successfully defend Knoxville, Tennessee from Confederate forces under James Longstreet.
Day of marriage February 23, 1882
The temperature on February 23, 1882 was about 4.9 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 78%. 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.
April 3 » American Old West: Robert Ford kills Jesse James.
July 26 » Premiere of Richard Wagner's opera Parsifal at Bayreuth.
August 20 » Tchaikovsky's 1812 Overture debuts in Moscow, Russia.
September 18 » The Pacific Stock Exchange opens.
September 30 » Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation.
Day of death May 18, 1941
The temperature on May 18, 1941 was between 5.8 °C and 21.0 °C and averaged 14.7 °C. There was 6.1 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
March 11 » World War II: United States President Franklin D. Roosevelt signs the Lend-Lease Act into law, allowing American-built war supplies to be shipped to the Allies on loan.
April 23 » World War II: The Greek government and King George II evacuate Athens before the invading Wehrmacht.
August 24 » Adolf Hitler orders the cessation of Nazi Germany's systematic T4 euthanasia program of the mentally ill and the handicapped due to protests, although killings continue for the remainder of the war.
September 30 » World War II: The Babi Yar massacre comes to an end.
December 21 » World War II: A formal treaty of alliance between Thailand and Japan is signed in the presence of the Emerald Buddha in Wat Phra Kaew, Thailand.
December 26 » U.S. President Franklin D. Roosevelt signs a bill establishing the fourth Thursday in November as Thanksgiving Day in the United States.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I10702.php : accessed February 5, 2026), "Wilhelmus Velthuis (1863-1941)".
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