The temperature on August 20, 1888 was about 17.6 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 61%. 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 15 » Start of the Anglo-Tibetan War of 1888.
March 20 » The premiere of the very first Romani language operetta is staged in Moscow, Russia.
May 12 » In Southeast Asia, the North Borneo Chartered Company's territories become the British protectorate of North Borneo.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
December 22 » The Christmas Meeting of 1888, considered to be the official start of the Faroese independence movement.
Day of marriage April 29, 1920
The temperature on April 29, 1920 was between 4.0 °C and 11.6 °C and averaged 7.0 °C. There was 3.1 mm of rain. There was 6.2 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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.
January 16 » The League of Nations holds its first council meeting in Paris, France.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
Day of death June 3, 1960
The temperature on June 3, 1960 was between 11.6 °C and 25.3 °C and averaged 19.2 °C. There was 14.2 hours of sunshine (86%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 6 » National Airlines Flight 2511 is destroyed in mid-air by a bomb, while en route from New York City to Miami.
January 9 » President of Egypt Gamal Abdel Nasser opens construction on the Aswan Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
January 21 » Avianca Flight 671 crashes at Montego Bay, Jamaica airport, killing 37 people.
February 19 » China successfully launches the T-7, its first sounding rocket.
February 29 » The 5.7Mw Agadir earthquake shakes coastal Morocco with a maximum perceived intensity of X (Extreme), destroying Agadir, and leaving 12,000 dead and another 12,000 injured.
September 8 » In Huntsville, Alabama, US President Dwight D. Eisenhower formally dedicates the Marshall Space Flight Center (NASA had already activated the facility on July 1).
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/I79926.php : accessed October 4, 2026), "Sytze de Boer (1888-1960)".
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