The temperature on May 4, 1881 was about 11.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
March 13 » Alexander II of Russia is assassinated.
April 14 » The Four Dead in Five Seconds Gunfight is fought in El Paso, Texas.
June 13 » The USS Jeannette is crushed in an Arctic Ocean ice pack.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
August 27 » The Georgia hurricane makes landfall near Savannah, Georgia, resulting in an estimated 700 deaths.
September 20 » U.S. President Chester A. Arthur is sworn in, the morning after becoming President upon James A. Garfield's death.
Day of marriage July 23, 1908
The temperature on July 23, 1908 was between 5.8 °C and 23.2 °C and averaged 16.4 °C. There was 12.7 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
June 18 » The University of the Philippines is established.
June 30 » The Tunguska Event, the largest impact event on Earth in human recorded history, resulting in a massive explosion over Eastern Siberia.
August 17 » Fantasmagorie, the first animated cartoon, created by Émile Cohl, is shown in Paris, France.
September 17 » The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality.
October 1 » Ford Model T automobiles are offered for sale at a price of US$825.
October 13 » Margaret Travers Symons bursts into the UK parliament and became the first woman to speak there.
Day of death November 11, 1974
The temperature on November 11, 1974 was between 6.7 °C and 10.3 °C and averaged 8.4 °C. There was 4.2 mm of rain during 4.1 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 21 » The last Israeli soldiers leave the west bank of the Suez Canal pursuant to a truce with Egypt.
June 30 » The Baltimore municipal strike of 1974 begins.
July 28 » Spetsgruppa A, Russia's elite special force, was formed.
November 13 » Ronald DeFeo, Jr. murders his entire family in Amityville, Long Island in the house that would become known as The Amityville Horror.
November 20 » The first fatal crash of a Boeing 747 occurs when Lufthansa Flight 540 crashes while attempting to takeoff from Jomo Kenyatta International Airport in Nairobi, Kenya, killing 59 out of the 157 people on board.
December 22 » Grande Comore, Anjouan and Mohéli vote to become the independent nation of Comoros. Mayotte remains under French administration.
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/I84796.php : accessed October 6, 2026), "Gerrit Koops (1881-1974)".
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