The temperature on July 17, 1865 was about 18.4 °C. There was 16 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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.
March 16 » American Civil War: The Battle of Averasborough began as Confederate forces suffer irreplaceable casualties in the final months of the war.
April 14 » U.S. President Abraham Lincoln is shot in Ford's Theatre by John Wilkes Booth; Lincoln died the next day.
May 25 » In Mobile, Alabama, around 300 people are killed when an ordnance depot explodes.
July 14 » First ascent of the Matterhorn by Edward Whymper and party, four of whom die on the descent.
August 12 » Joseph Lister, British surgeon and scientist, performs 1st antiseptic surgery.
November 18 » Mark Twain's short story "The Celebrated Jumping Frog of Calaveras County" is published in the New York Saturday Press.
Day of death March 21, 1940
The temperature on March 21, 1940 was between 6.3 °C and 10.6 °C and averaged 7.7 °C. There was 1.4 mm of rain during 0.6 hours. There was 0.9 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
April 7 » Booker T. Washington becomes the first African American to be depicted on a United States postage stamp.
April 25 » Merkið, the flag of the Faroe Islands is approved by the British occupation government.
May 26 » World War II: The Siege of Calais ends with the surrender of the British and French garrison.
June 3 » Franz Rademacher proposes plans to make Madagascar the "Jewish homeland", an idea that had first been considered by 19th century journalist Theodor Herzl.
August 3 » World War II: Italian forces begin the invasion of British Somaliland.
August 19 » First flight of the B-25 Mitchell medium bomber.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I174980.php : accessed October 18, 2026), "Jan Heller (1865-1940)".
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