The temperature on April 21, 1886 was about 6.3 °C. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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.
January 29 » Karl Benz patents the first successful gasoline-driven automobile.
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.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
Day of marriage April 28, 1909
The temperature on April 28, 1909 was between 8.5 °C and 13.5 °C and averaged 10.5 °C. There was 9.8 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
When copying data from this family tree, please include a reference to the origin: aart van rumpt , "Family tree Van Rumpt", database, Genealogy Online (https://www.genealogieonline.nl/van-rumpt-stamboom/I71803.php : accessed February 27, 2026), "Johan Stephanus de Klerk (1886-????)".
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