January 31 » Czechoslav Trade Union Association is founded in Prague.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage May 20, 1931
The temperature on May 20, 1931 was between 7.4 °C and 11.9 °C and averaged 9.1 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
May 29 » Michele Schirru, a citizen of the United States, is executed by Italian military firing squad for intent to kill Benito Mussolini.
August 24 » Resignation of the United Kingdom's Second Labour Government. Formation of the UK National Government.
October 1 » Clara Campoamor persuades the Constituent Cortes to enfranchise women in Spain's new constitution.
Day of death August 1, 1946
The temperature on August 1, 1946 was between 11.6 °C and 19.7 °C and averaged 15.1 °C. There was 9.2 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
May 25 » The parliament of Transjordan makes Abdullah I of Jordan their Emir.
June 2 » Birth of the Italian Republic: In a referendum, Italians vote to turn Italy from a monarchy into a Republic. After the referendum, King Umberto II of Italy is exiled.
July 4 » After 381 years of near-continuous colonial rule by various powers, the Philippines attains full independence from the United States.
December 9 » The "Subsequent Nuremberg trials" begin with the "Doctors' trial", prosecuting physicians and officers alleged to be involved in Nazi human experimentation and mass murder under the guise of euthanasia.
December 17 » Kurdistan flag day, the flag of Kurdistan was raised for the first time in Mahabad in eastern Kurdistan (Iran).
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I111186.php : accessed March 2, 2026), "Cornelis de Graaf (1897-1946)".
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