The temperature on December 11, 1877 was about -2.9 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. 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).
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
January 20 » The last day of the Constantinople Conference results in agreement for political reforms in the Balkans.
May 8 » At Gilmore's Gardens in New York City, the first Westminster Kennel Club Dog Show opens.
May 9 » Mihail Kogălniceanu reads, in the Chamber of Deputies, the Declaration of Independence of Romania. This day became the Independence Day of Romania.
June 17 » American Indian Wars: Battle of White Bird Canyon: The Nez Perce defeat the U.S. Cavalry at White Bird Canyon in the Idaho Territory.
July 14 » The Great Railroad Strike of 1877 began in Martinsburg, West Virginia, when wages of Baltimore and Ohio Railroad workers were cut for the third time in a year. The strike was ended on Sept 4 by local and state militias, and federal troops.
December 6 » The first edition of The Washington Post is published.
Day of marriage August 21, 1901
The temperature on August 21, 1901 was between 12.5 °C and 20.6 °C and averaged 15.9 °C. There was 4.5 hours of sunshine (31%). Source: KNMI
January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
November 1 » Sigma Phi Epsilon, the largest national male collegiate fraternity, is established at Richmond College, in Richmond, Virginia.
December 10 » The first Nobel Prize ceremony is held in Stockholm on the fifth anniversary of Alfred Nobel's death.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death October 18, 1970
The temperature on October 18, 1970 was between 1.2 °C and 16.1 °C and averaged 9.5 °C. There was 1.1 hours of sunshine (10%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
July 8 » Richard Nixon delivers a special congressional message enunciating Native American self-determination as official US Indian policy, leading to the Indian Self-Determination and Education Assistance Act of 1975.
September 7 » Bill Shoemaker beats Johnny Longden's record to become the winningest jockey in horse racing history at Del Mar racetrack
September 7 » Fighting begins between Arab guerrillas and government forces in Jordan.
October 16 » Canadian Prime Minister Pierre Trudeau invokes the War Measures Act during the October Crisis.
November 17 » Luna programme: The Soviet Union lands Lunokhod 1 on Mare Imbrium (Sea of Rains) on the Moon. This is the first roving remote-controlled robot to land on another world and is released by the orbiting Luna 17 spacecraft.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I1007.php : accessed January 2, 2026), "Jacob Koopman (1877-1970)".
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.