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.
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 27 » Geronimo, Apache warrior, surrenders to the U.S. Army, ending the main phase of the Apache Wars.
March 29 » John Pemberton brews the first batch of Coca-Cola in a backyard in Atlanta.
October 28 » President Cleveland dedicates the Statue of Liberty.
November 14 » Friedrich Soennecken first developed the hole puncher, a type of office tool capable of punching small holes in paper.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
Day of death April 19, 1940
The temperature on April 19, 1940 was between 6.1 °C and 12.1 °C and averaged 8.6 °C. There was 1.6 mm of rain during 2.3 hours. There was 6.8 hours of sunshine (48%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the 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.
June 14 » World War II: The German occupation of Paris begins.
June 17 » World War II: RMSLancastria is attacked and sunk by the Luftwaffe near Saint-Nazaire, France. At least 3,000 are killed in Britain's worst maritime disaster.
June 22 » World War II: France is forced to sign the Second Compiègne armistice with Germany, in the same railroad car in which the Germans signed the Armistice in 1918.
July 20 » Denmark leaves the League of Nations.
August 8 » The "Aufbau Ost" directive is signed by Wilhelm Keitel.
November 24 » World War II: The First Slovak Republic becomes a signatory to the Tripartite Pact, officially joining the Axis powers.
When copying data from this family tree, please include a reference to the origin: Dirk Zwinderman, "Family tree Zwinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zwinderman/I4909.php : accessed February 1, 2026), "Hendrik Veenstra (1859-1940)".
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