February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage September 21, 1933
The temperature on September 21, 1933 was between 10.0 °C and 14.3 °C and averaged 12.4 °C. There was 4.2 mm of rain during 5.6 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
January 30 » Adolf Hitler is sworn in as Chancellor of Germany.
March 5 » Adolf Hitler's Nazi Party receives 43.9% at the Reichstag elections, which allows the Nazis to later pass the Enabling Act and establish a dictatorship.
March 9 » Great Depression: President Franklin D. Roosevelt submits the Emergency Banking Act to Congress, the first of his New Deal policies.
March 20 » Reichsführer-SS Heinrich Himmler ordered the creation of Dachau concentration camp as Chief of Police of Munich and appointed Theodor Eicke as the camp commandant.
September 13 » Elizabeth McCombs becomes the first woman elected to the New Zealand Parliament.
December 6 » U.S. federal judge John M. Woolsey rules that James Joyce's novel Ulysses is not obscene.
Day of death January 15, 1980
The temperature on January 15, 1980 was between -7.0 °C and -1.8 °C and averaged -4.1 °C. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. 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.
April 24 » Eight U.S. servicemen die in Operation Eagle Claw as they attempt to end the Iran hostage crisis.
June 3 » An explosive device is detonated at the Statue of Liberty. The FBI suspects Croatian nationalists.
June 3 » The 1980 Grand Island tornado outbreak hits Nebraska, causing five deaths and $300million (equivalent to $931million in 2019) worth of damage.
October 9 » Pope John Paul II greets the Dalai Lama during a private audience in Vatican City.
December 8 » Former Beatle John Lennon is murdered in front of The Dakota in New York City.
December 24 » Witnesses report the first of several sightings of unexplained lights near RAF Woodbridge, in Rendlesham Forest, Suffolk, England, United Kingdom, an incident called "Britain's Roswell".
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/I12227.php : accessed October 9, 2026), "Geertruida Knap (1897-1980)".
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