January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
July 28 » The city of Miami, Florida is incorporated.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
Day of marriage October 11, 1920
The temperature on October 11, 1920 was between 5.6 °C and 17.3 °C and averaged 10.9 °C. There was 9.2 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
January 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
January 16 » The League of Nations holds its first council meeting in Paris, France.
February 29 » Czechoslovak National Assembly adopts the Constitution.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
Day of death March 26, 1977
The temperature on March 26, 1977 was between -0.8 °C and 11.6 °C and averaged 6.5 °C. There was 0.4 mm of rain during 0.9 hours. There was 5.6 hours of sunshine (45%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
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.
February 18 » The Space Shuttle Enterprise test vehicle is carried on its maiden "flight" on top of a Boeing 747.
April 28 » The Red Army Faction trial ends, with Andreas Baader, Gudrun Ensslin and Jan-Carl Raspe found guilty of four counts of murder and more than 30 counts of attempted murder.
July 22 » Chinese leader Deng Xiaoping is restored to power.
September 7 » The Torrijos–Carter Treaties between Panama and the United States on the status of the Panama Canal are signed. The United States agrees to transfer control of the canal to Panama at the end of the 20th century.
October 6 » The first prototype of the Mikoyan MiG-29, designated 9-01, makes its maiden flight.
October 13 » Hijacking of Lufthansa Flight 181 by the Popular Front for the Liberation of Palestine.
When copying data from this family tree, please include a reference to the origin: J. Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_jacobs/I2787.php : accessed January 20, 2026), "Arnoldus Cornelis Seijkens (1896-1977)".
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