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.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of marriage May 19, 1924
The temperature on May 19, 1924 was between 12.2 °C and 23.2 °C and averaged 17.7 °C. There was 10.4 mm of rain. There was 9.5 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 14 » The Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation (IBM).
March 8 » A mine disaster kills 172 coal miners near Castle Gate, Utah.
June 2 » U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States.
June 26 » The American occupation of the Dominican Republic ends after eight years.
July 24 » Themistoklis Sofoulis becomes Prime Minister of Greece.
October 7 » Andreas Michalakopoulos becomes prime minister of Greece for a short period of time.
Day of death May 16, 1974
The temperature on May 16, 1974 was between 7.4 °C and 18.9 °C and averaged 14.0 °C. There was 14.0 hours of sunshine (89%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
March 29 » Terracotta Army was discovered in Shaanxi province, China.
June 29 » Vice President Isabel Perón assumes powers and duties as Acting President of Argentina, while her husband President Juan Peron is terminally ill.
July 15 » In Nicosia, Cyprus, Greek junta-sponsored nationalists launch a coup d'état, deposing President Makarios and installing Nikos Sampson as Cypriot president.
July 20 » Turkish invasion of Cyprus: Forces from Turkey invade Cyprus after a coup d'état, organised by the dictator of Greece, against president Makarios.
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 24 » Cyclone Tracy devastates Darwin, Australia.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I57741.php : accessed February 22, 2026), "Wilhelmus Cornelis Petrus van Hoof (1897-1974)".
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