The temperature on July 14, 1863 was about 22.5 °C. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 36%. 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 10 » The Metropolitan Railway, the world's oldest underground railway, opens between Paddington and Farringdon, marking the beginning of the London Underground.
May 1 » American Civil War: The Battle of Chancellorsville begins.
July 1 » Keti Koti (Emancipation Day) in Suriname, marking the abolition of slavery by the Netherlands.
July 30 » American Indian Wars: Representatives of the United States and tribal leaders including Chief Pocatello (of the Shoshone) sign the Treaty of Box Elder.
September 9 » American Civil War: The Union Army enters Chattanooga, Tennessee.
November 26 » United States President Abraham Lincoln proclaims November 26 as a national Thanksgiving Day, to be celebrated annually on the final Thursday of November. Following the Franksgiving controversy from 1939 to 1941, it has been observed on the fourth Thursday in 1942 and subsequent years.
Day of marriage May 17, 1884
The temperature on May 17, 1884 was about 15.4 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southwest. 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 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 5 » Germany takes possession of Cameroon.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of death March 11, 1934
The temperature on March 11, 1934 was between 0.9 °C and 9.6 °C and averaged 5.2 °C. There was 4.1 mm of rain during 4.6 hours. There was 1.0 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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/I152349.php : accessed December 30, 2025), "Arend Helmus (1863-1934)".
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