The temperature on June 17, 1887 was about 19.7 °C. The air pressure was 28 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 58%. 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.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 13 » Bloody Sunday clashes in central London.
Day of marriage May 23, 1907
The temperature on May 23, 1907 was between 10.6 °C and 23.1 °C and averaged 16.7 °C. There was 2.1 mm of rain. There was 6.1 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
May 23 » The unicameral Parliament of Finland gathers for its first plenary session.
October 17 » Marconi begins the first commercial transatlantic wireless service.
December 6 » A coal mine explosion at Monongah, West Virginia, kills 362 workers.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
December 11 » The New Zealand Parliament Buildings are almost completely destroyed by fire.
Day of death October 19, 1950
The temperature on October 19, 1950 was between 9.3 °C and 17.6 °C and averaged 13.0 °C. There was 1.8 hours of sunshine (17%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
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/I158177.php : accessed February 13, 2026), "Ytje Boonstra (1887-1950)".
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