June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
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 marriage April 20, 1944
The temperature on April 20, 1944 was between 5.0 °C and 15.0 °C and averaged 8.7 °C. There was 0.6 mm of rain during 1.8 hours. There was 4.1 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 31 » World War II: During the Anzio campaign, the 1st Ranger Battalion (Darby's Rangers) is destroyed behind enemy lines in a heavily outnumbered encounter at Battle of Cisterna, Italy.
February 15 » World War II: The Narva Offensive begins.
March 30 » Out of 795 Lancasters, Halifaxes and Mosquitos sent to attack Nuremberg, 95 bombers do not return, making it the largest RAF Bomber Command loss of the war.
August 9 » Continuation War: The Vyborg–Petrozavodsk Offensive, the largest offensive launched by Soviet Union against Finland during the Second World War, ends to a strategic stalemate. Both Finnish and Soviet troops at the Finnish front dug to defensive positions, and the front remains stable until the end of the war.
November 3 » World War II: Two supreme commanders of the Slovak National Uprising, Generals Ján Golian and Rudolf Viest are captured, tortured and later executed by German forces.
November 7 » Franklin D. Roosevelt elected for a record fourth term as President of the United States.
Day of death September 24, 1979
The temperature on September 24, 1979 was between 4.3 °C and 15.9 °C and averaged 11.3 °C. There was 3.1 mm of rain during 1.1 hours. There was 6.0 hours of sunshine (49%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 25 » The first fully functional Space Shuttle orbiter, Columbia, is delivered to the John F. Kennedy Space Center to be prepared for its first launch.
April 10 » Red River Valley tornado outbreak: A tornado lands in Wichita Falls, Texas killing 42 people.
May 21 » White Night riots in San Francisco following the manslaughter conviction of Dan White for the assassinations of George Moscone and Harvey Milk.
June 18 » SALT II is signed by the United States and the Soviet Union.
October 1 » The MTR, the rapid transit railway system in Hong Kong, opens.
October 6 » Pope John Paul II becomes the first pontiff to visit the White House.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I268906.php : accessed March 7, 2026), "Christiaan Cornelis Marinus van Opstal (1901-1979)".
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