March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 14 » The Exposition Universelle begins.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
June 5 » Second Boer War: British soldiers take Pretoria.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of death April 20, 1961
The temperature on April 20, 1961 was between 8.5 °C and 16.9 °C and averaged 12.1 °C. There was 3.8 hours of sunshine (27%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
September 16 » Pakistan establishes its Space and Upper Atmosphere Research Commission with Abdus Salam as its head.
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
October 29 » Syria exits from the United Arab Republic.
When copying data from this family tree, please include a reference to the origin: Donald Staley, "Staley ancestry", database, Genealogy Online (https://www.genealogieonline.nl/staley-ancestry/P207.php : accessed January 9, 2026), "Clarence E. Swetnam (1900-1961)".
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