The temperature on April 22, 1888 was about 12.3 °C. The air pressure was 4 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 50%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 11 » The Great Blizzard of 1888 begins along the eastern seaboard of the United States, shutting down commerce and killing more than 400.
June 5 » The Rio de la Plata earthquake takes place.
September 22 » The first issue of National Geographic Magazine is published.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).
October 21 » Foundation of the Swiss Social Democratic Party.
Day of marriage July 4, 1918
The temperature on July 4, 1918 was between 8.9 °C and 18.9 °C and averaged 14.0 °C. There was 10.5 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
August 21 » World War I: The Second Battle of the Somme begins.
October 1 » World War I: The Egyptian Expeditionary Force captures Damascus.
October 10 » RMS Leinster is torpedoed and sunk by UB-123, killing 564, the worst-ever on the Irish Sea.
October 12 » A massive forest fire kills 453 people in Minnesota.
October 30 » World War I: The Ottoman Empire signs the Armistice of Mudros with the Allies.
December 14 » Portuguese President Sidónio Pais is assassinated.
Day of death February 21, 1956
The temperature on February 21, 1956 was between -14.4 °C and -3.9 °C and averaged -8.7 °C. There was 0.2 mm of rain. There was 5.7 hours of sunshine (55%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 8 » Operation Auca: Five U.S. missionaries are killed by the Huaorani of Ecuador shortly after making contact with them.
March 23 » Pakistan becomes the first Islamic republic in the world. This date is now celebrated as Republic Day in Pakistan.
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.
June 28 » in Poznań, workers from HCP factory go to the streets, sparking one of the first major protests against communist government both in Poland and Europe.
November 1 » Hungarian Revolution: Imre Nagy announces Hungary's neutrality and withdrawal from the Warsaw Pact. Soviet troops begin to re-enter Hungary, contrary to assurances by the Soviet government. János Kádár and Ferenc Münnich secretly defect to the Soviets.
November 7 » Hungarian Revolution: János Kádár returns to Budapest in a Soviet armored convoy, officially taking office as the next Hungarian leader. By this point, most armed resistance has been defeated.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I217898.php : accessed February 24, 2026), "Hendrik Schluter (1888-1956)".
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