The temperature on March 15, 1888 was about 0.3 °C. There was 2 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the east-southeast. The airpressure was 74 cm mercury. The atmospheric humidity was 96%. 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 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.
September 4 » George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.
September 8 » In England, the first six Football League matches are played.
September 8 » Isaac Peral's submarine is first tested.
October 30 » The Rudd Concession is granted by Matabeleland to agents of Cecil Rhodes.
Day of marriage September 22, 1910
The temperature on September 22, 1910 was between 0.7 °C and 16.4 °C and averaged 10.0 °C. There was 6.6 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death July 20, 1960
The temperature on July 20, 1960 was between 12.6 °C and 19.1 °C and averaged 15.3 °C. There was 1.9 mm of rain during 1.3 hours. There was 0.3 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 26 » Forced out by the April Revolution, President of South Korea Syngman Rhee resigns after 12 years of dictatorial rule.
July 11 » Congo Crisis: The State of Katanga breaks away from the Democratic Republic of the Congo.
August 7 » Ivory Coast becomes independent from France.
September 2 » The first election of the Parliament of the Central Tibetan Administration, in history of Tibet. The Tibetan community observes this date as Democracy Day.
October 29 » In Louisville, Kentucky, Cassius Clay (who later takes the name Muhammad Ali) wins his first professional fight.
December 17 » Munich C-131 crash: Twenty passengers and crew on board as well as 32 people on the ground are killed.
When copying data from this family tree, please include a reference to the origin: Robert Postt, "Family tree Postt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-postt/I105.php : accessed January 13, 2026), "Maria Boon (1888-1960)".
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