January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
June 17 » The United States Navy Hospital Corps is established.
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
December 18 » Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245mph (63.159km/h) in a Jeantaud electric car.
Day of marriage June 14, 1923
The temperature on June 14, 1923 was between 5.5 °C and 13.0 °C and averaged 10.2 °C. There was 0.4 mm of rain. There was 0.9 hours of sunshine (5%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-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.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
June 27 » Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
November 8 » Beer Hall Putsch: In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death April 3, 1972
The temperature on April 3, 1972 was between 5.2 °C and 12.0 °C and averaged 9.4 °C. There was 1.8 mm of rain during 1.3 hours. There was 3.8 hours of sunshine (29%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 13 » Prime Minister Kofi Abrefa Busia and President Edward Akufo-Addo of Ghana are ousted in a bloodless military coup by Colonel Ignatius Kutu Acheampong.
May 21 » Michelangelo's Pietà in St. Peter's Basilica in Rome is damaged by a vandal, the mentally disturbed Hungarian geologist Laszlo Toth.
May 26 » The United States and the Soviet Union sign the Anti-Ballistic Missile Treaty.
August 22 » Rhodesia is expelled by the IOC for its racist policies.
September 4 » Mark Spitz becomes the first competitor to win seven medals at a single Olympic Games.
November 8 » American pay television network Home Box Office (HBO) launches, initially transmitting to 365 Teleservice Cable subscribers in Wilkes-Barre, Pennsylvania. First operating as a Northeastern U.S.-based regional service, HBO was one of the first cable-originated television channels. HBO's inaugural programming that evening consisted of its first event telecast—an NHL hockey game between the New York Rangers and the Vancouver Canucks, and its first movie presentation—the 1971 Paul Newman–Henry Fonda film Sometimes a Great Notion.
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I1297.php : accessed February 16, 2026), "Arnoldus Diepenbroek (1898-1972)".
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