The temperature on December 2, 1893 was about -0.1 °C. There was 0.2 mm of rain. The airpressure was 77 cm mercury. The atmospheric humidity was 96%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
April 1 » The rank of Chief Petty Officer in the United States Navy is established.
July 11 » A revolution led by the liberal general and politician José Santos Zelaya takes over state power in Nicaragua.
July 22 » Katharine Lee Bates writes "America the Beautiful" after admiring the view from the top of Pikes Peak near Colorado Springs, Colorado.
September 20 » Charles Duryea and his brother road-test the first American-made gasoline-powered automobile.
November 7 » Women's suffrage: Women in the U.S. state of Colorado are granted the right to vote, the second state to do so.
Day of marriage May 17, 1919
The temperature on May 17, 1919 was between 6.6 °C and 21.9 °C and averaged 14.9 °C. There was 13.6 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Montenegrin guerrilla fighters rebel against the planned annexation of Montenegro by Serbia, but fail.
March 1 » March 1st Movement begins in Korea under Japanese rule.
May 1 » German troops enter Munich to suppress the Bavarian Soviet Republic.
May 4 » May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
Day of death April 9, 1966
The temperature on April 9, 1966 was between 7.8 °C and 16.6 °C and averaged 12.1 °C. There was 6.6 mm of rain during 8.7 hours. There was 2.0 hours of sunshine (15%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
July 18 » Human spaceflight: Gemini 10 is launched from Cape Kennedy on a 70-hour mission that includes docking with an orbiting Agena target vehicle.
September 6 » Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.
October 14 » The city of Montreal begins the operation of its underground Montreal Metro rapid transit system.
October 17 » The 23rd Street Fire in New York City kills 12 firefighters.
October 21 » A colliery spoil tip collapses on the village of Aberfan in Wales, killing 144 people, mostly schoolchildren.
November 24 » Bulgarian TABSO Flight 101 crashes near Bratislava, Czechoslovakia, killing all 82 people on board.
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/I102279.php : accessed October 22, 2026), "Hendrik Koop (1893-1966)".
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.