The temperature on June 7, 1873 was about 13.0 °C. There was 0.2 mm of rain. The air pressure was 15 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 49%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 1 » E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
March 3 » Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene literature and articles of immoral use" through the mail.
April 4 » The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
May 23 » The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.
August 23 » Albert Bridge in Chelsea, London opens.
October 9 » A meeting at the U.S. Naval Academy establishes the U.S. Naval Institute.
Day of marriage May 21, 1896
The temperature on May 21, 1896 was about 10.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 62%. Source: KNMI
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
Day of death December 15, 1958
The temperature on December 15, 1958 was between 1.8 °C and 6.3 °C and averaged 5.2 °C. There was 3.8 mm of rain during 5.4 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 13 » American pianist Van Cliburn is awarded first prize at the inaugural International Tchaikovsky Competition in Moscow.
May 13 » Ben Carlin becomes the first (and only) person to circumnavigate the world by amphibious vehicle, having travelled over 17,000 kilometres (11,000mi) by sea and 62,000 kilometres (39,000mi) by land during a ten-year journey.
May 30 » Memorial Day: The remains of two unidentified American servicemen, killed in action during World War II and the Korean War respectively, are buried at the Tomb of the Unknown Soldier in Arlington National Cemetery.
June 1 » Charles de Gaulle comes out of retirement to lead France by decree for six months.
July 1 » The Canadian Broadcasting Corporation links television broadcasting across Canada via microwave.
October 1 » The National Advisory Committee for Aeronautics is replaced by NASA.
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/I170678.php : accessed October 25, 2026), "Jeltje Koopman (1873-1958)".
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