April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of marriage June 20, 1923
The temperature on June 20, 1923 was between 6.3 °C and 14.1 °C and averaged 10.5 °C. There was 0.2 mm of rain. There was 0.7 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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.
March 3 » TIME magazine is published for the first time.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
June 9 » Bulgaria's military takes over the government in a coup.
September 26 » The German government accepts the occupation of the Ruhr.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
Day of death December 10, 1974
The temperature on December 10, 1974 was between 1.9 °C and 6.3 °C and averaged 4.6 °C. There was 5.3 mm of rain during 3.8 hours. There was 1.3 hours of sunshine (17%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 8 » After 84 days in space, the crew of Skylab 4, the last crew to visit American space station Skylab, returns to Earth.
February 23 » The Symbionese Liberation Army demands $4 million more to release kidnap victim Patty Hearst.
March 1 » Watergate scandal: Seven are indicted for their role in the Watergate break-in and charged with conspiracy to obstruct justice.
June 1 » The Heimlich maneuver for rescuing choking victims is published in the journal Emergency Medicine.
August 1 » Cyprus dispute: The United Nations Security Council authorizes the UNFICYP to create the "Green Line", dividing Cyprus into two zones.
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.
When copying data from this family tree, please include a reference to the origin: Agatha Jacoba Maria Lindeboom-Kleef, "Family tree Kleef, Reus, Lindeboom,Quax", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kleef/I158.php : accessed February 26, 2026), "Catharina Clasina Kleef (1897-1974)".
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