The temperature on May 23, 1887 was about 10.7 °C. The air pressure was 14 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 68%. 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 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of marriage October 7, 1910
The temperature on October 7, 1910 was between 8.7 °C and 17.0 °C and averaged 12.0 °C. There was 4.6 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
May 4 » The Royal Canadian Navy is created.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
Day of death August 25, 1956
The temperature on August 25, 1956 was between 10.1 °C and 16.7 °C and averaged 12.7 °C. There was 37.8 mm of rain during 9.6 hours. There was 5.7 hours of sunshine (40%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » A fire damages the top part of the Eiffel Tower.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
October 8 » The New York Yankees's Don Larsen pitches the only perfect game in a World Series.
October 15 » FORTRAN, the first modern computer language, is first shared with the coding community.
October 21 » The Mau Mau Uprising in Kenya is defeated.
November 7 » Suez Crisis: The United Nations General Assembly adopts a resolution calling for the United Kingdom, France and Israel to immediately withdraw their troops from Egypt.
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/I178755.php : accessed October 9, 2026), "Johannes van der Donk (1887-1956)".
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