The temperature on August 31, 1886 was about 23.2 °C. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. 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 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
March 29 » John Pemberton brews the first batch of Coca-Cola in a backyard in Atlanta.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 13 » A fire devastates much of Vancouver, British Columbia.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
November 30 » The Folies Bergère stages its first revue.
Day of death May 13, 1956
The temperature on May 13, 1956 was between 5.3 °C and 18.0 °C and averaged 11.4 °C. There was 9.2 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 4 » The Greek National Radical Union is formed by Konstantinos Karamanlis.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
May 20 » In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
May 24 » The first Eurovision Song Contest is held in Lugano, Switzerland.
June 11 » Start of Gal Oya riots, the first reported ethnic riots that target minority Sri Lankan Tamils in the Eastern Province. The total number of deaths is reportedly 150.
October 29 » Suez Crisis begins: Israeli forces invade the Sinai Peninsula and push Egyptian forces back toward the Suez Canal.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I221659.php : accessed January 19, 2026), "Jacobus Wilhelmus van Helfteren (1886-1956)".
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