The temperature on September 21, 1863 was about 11.4 °C. There was 0.2 mm of rain. The air pressure was 7 kgf/m2 and came mainly from the south-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 84%. 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.
May 6 » American Civil War: The Battle of Chancellorsville ends with the defeat of the Army of the Potomac by the Army of Northern Virginia.
May 17 » Rosalía de Castro publishes Cantares Gallegos, the first book in the Galician language.
June 14 » Second Assault on the Confederate works at the Siege of Port Hudson during the American Civil War.
September 19 » American Civil War: The first day of the Battle of Chickamauga, in northwestern Georgia, the bloodiest two-day battle of the conflict, and the only significant Confederate victory in the war's Western Theater.
October 14 » American Civil War: Confederate troops under the command of A. P. Hill fail to drive the Union Army completely out of Virginia.
October 29 » American Civil War: Battle of Wauhatchie: Forces under Union General Ulysses S. Grant repel a Confederate attack led by General James Longstreet. Union forces thus open a supply line into Chattanooga, Tennessee.
Day of marriage November 29, 1884
The temperature on November 29, 1884 was about 4.1 °C. There was 1 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 83%. 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 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of death July 18, 1950
The temperature on July 18, 1950 was between 10.6 °C and 21.6 °C and averaged 16.9 °C. There was 0.1 mm of rain. There was 4.2 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
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/I181100.php : accessed January 1, 2026), "Egbertus Helder (1863-1950)".
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