The temperature on February 23, 1875 was about 1.2 °C. The air pressure was 8 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
May 17 » Aristides wins the first Kentucky Derby with the jockey Oliver Lewis (2:37.75)
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
June 19 » The Herzegovinian rebellion against the Ottoman Empire begins.
August 22 » The Treaty of Saint Petersburg between Japan and Russia is ratified, providing for the exchange of Sakhalin for the Kuril Islands.
August 25 » Captain Matthew Webb becomes the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 21 hours and 45 minutes.
October 22 » First telegraphic connection in Argentina.
Day of marriage May 24, 1900
The temperature on May 24, 1900 was about 12.4 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. Source: KNMI
January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
Day of death October 13, 1959
The temperature on October 13, 1959 was between 6.5 °C and 16.0 °C and averaged 11.4 °C. There was 0.4 hours of sunshine (4%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 16 » Fidel Castro becomes Premier of Cuba after dictator Fulgencio Batista was overthrown on January 1.
February 17 » Project Vanguard: Vanguard 2: The first weather satellite is launched to measure cloud-cover distribution.
March 31 » The 14th Dalai Lama, crosses the border into India and is granted political asylum.
July 24 » At the opening of the American National Exhibition in Moscow, U.S. Vice President Richard Nixon and Soviet Premier Nikita Khrushchev have a "Kitchen Debate".
October 21 » President Eisenhower approves the transfer of all US Army space-related activities to NASA, including most of the Army Ballistic Missile Agency.
December 3 » The current flag of Singapore is adopted, six months after Singapore became self-governing within the British Empire.
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/I84766.php : accessed October 8, 2026), "Willem Koops (1875-1959)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.