February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage November 15, 1923
The temperature on November 15, 1923 was between 0.3 °C and 8.0 °C and averaged 4.5 °C. There was 3.5 mm of rain. There was 2.4 hours of sunshine (27%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-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 16 » Howard Carter unseals the burial chamber of Pharaoh Tutankhamun.
June 27 » Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
September 29 » The British Mandate for Palestine takes effect, creating Mandatory Palestine.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
October 31 » The first of 160 consecutive days of 100° Fahrenheit at Marble Bar, Western Australia.
Day of death March 6, 1953
The temperature on March 6, 1953 was between 3.5 °C and 5.8 °C and averaged 5.1 °C. There was 0.1 mm of rain during 1.0 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 24 » Winston Churchill is knighted by Queen Elizabeth II.
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
May 25 » Nuclear weapons testing: At the Nevada Test Site, the United States conducts its first and only nuclear artillery test.
June 2 » The coronation of Queen Elizabeth II, who is crowned Queen of the United Kingdom, Canada, Australia, New Zealand and Her Other Realms and Territories & Head of the Commonwealth, the first major international event to be televised.
October 1 » A Mutual Defense Treaty Between the United States and the Republic of Korea is concluded in Washington, D.C.
November 21 » The Natural History Museum, London announces that the "Piltdown Man" skull, initially believed to be one of the most important fossilized hominid skulls ever found, is a hoax.
When copying data from this family tree, please include a reference to the origin: Caspar Evers, "Family tree Evers - van Rijsbergen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-evers-van-rijsbergen/I4085.php : accessed February 26, 2026), "Petrus Franciscus Roovers (1895-1953)".
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