The temperature on April 7, 1871 was about 8.8 °C. The air pressure was 3 kgf/m2 and came mainly from the east-northeast. The atmospheric humidity was 33%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
March 28 » The Paris Commune is formally established in Paris.
June 16 » The Universities Tests Act 1871 allows students to enter the universities of Oxford, Cambridge and Durham without religious tests (except for those intending to study theology).
July 2 » Victor Emmanuel II of Italy enters Rome after having conquered it from the Papal States.
July 20 » British Columbia joins the confederation of Canada.
July 29 » The Connecticut Valley Railroad opens between Old Saybrook, Connecticut and Hartford, Connecticut in the United States.
November 10 » Henry Morton Stanley locates missing explorer and missionary, Dr David Livingstone in Ujiji, near Lake Tanganyika, famously greeting him with the words, "Dr. Livingstone, I presume?".
Day of marriage May 23, 1896
The temperature on May 23, 1896 was about 11.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. Source: KNMI
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of death April 18, 1951
The temperature on April 18, 1951 was between -1.9 °C and 14.2 °C and averaged 7.4 °C. There was 8.7 hours of sunshine (62%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
February 27 » The Twenty-second Amendment to the United States Constitution, limiting Presidents to two terms, is ratified.
April 11 » The Stone of Scone, the stone upon which Scottish monarchs were traditionally crowned, is found on the site of the altar of Arbroath Abbey. It had been taken by Scottish nationalist students from its place in Westminster Abbey.
April 29 » Tibetan delegates to the Central People's Government arrive in Beijing and draft a Seventeen Point Agreement for Chinese sovereignty and Tibetan autonomy.
May 16 » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
July 26 » Walt Disney's 13th animated film, Alice in Wonderland, premieres in London, England, United Kingdom.
November 1 » Operation Buster–Jangle: Six thousand five hundred American soldiers are exposed to 'Desert Rock' atomic explosions for training purposes in Nevada. Participation is not voluntary.
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/I208470.php : accessed October 23, 2026), "Trientje Koopman (1871-1951)".
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