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.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
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.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
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.
March 24 » The first issue of the Georgian Bolshevik newspaper Dro is published.
May 23 » The unicameral Parliament of Finland gathers for its first plenary session.
August 31 » Russia and the United Kingdom sign the Anglo-Russian Convention, by which the UK recognizes Russian preeminence in northern Persia, while Russia recognizes British preeminence in southeastern Persia and Afghanistan. Both powers pledge not to interfere in Tibet.
November 16 » Cunard Line's RMSMauretania, sister ship of RMSLusitania, sets sail on her maiden voyage from Liverpool, England, to New York City.
November 16 » Indian Territory and Oklahoma Territory join to form Oklahoma, which is admitted as the 46th U.S. state.
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).
March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
May 9 » Robert Schuman presents his proposal on the creation of an organized Europe, which according to him was indispensable to the maintenance of peaceful relations. This proposal, known as the "Schuman Declaration", is considered by some people to be the beginning of the creation of what is now the European Union.
July 4 » Cold War: Radio Free Europe first broadcasts.
August 25 » President Harry Truman orders the U.S. Army to seize control of the nation's railroads to avert a strike.
October 9 » The Goyang Geumjeong Cave massacre in Korea begins.
November 17 » Lhamo Dondrub is officially named the 14th Dalai Lama.
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 October 18, 2026), "Ytje Boonstra (1887-1950)".
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