January 12 » The National Trust is founded in the United Kingdom.
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.
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.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of death May 13, 1967
The temperature on May 13, 1967 was between 12.8 °C and 21.5 °C and averaged 16.5 °C. There was 3.2 mm of rain during 4.2 hours. There was 5.5 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
March 14 » The body of U.S. President John F. Kennedy is moved to a permanent burial place at Arlington National Cemetery.
April 21 » A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'état, establishing a military regime that lasts for seven years.
May 30 » The Nigerian Eastern Region declares independence as the Republic of Biafra, sparking a civil war.
June 13 » U.S. President Lyndon B. Johnson nominates Solicitor-General Thurgood Marshall to become the first black justice on the U.S. Supreme Court.
July 3 » The Aden Emergency: The Battle of the Crater in which the British Argyll and Sutherland Highlanders retake the Crater district following the Arab Police mutiny.
December 21 » Louis Washkansky, the first man to undergo a human-to-human heart transplant, dies in Cape Town, South Africa, having lived for 18 days after the transplant.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I550655.php : accessed February 20, 2026), "Carolus Proost (1895-1967)".
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