Template:Are You Sure/April 22: Difference between revisions

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• ... that '''[[Earth Day (nonfiction)|Earth Day]]''' is an annual event celebrated on April 22, that it was first celebrated in 1970, and that Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network?
• ... that '''[[Earth Day (nonfiction)|Earth Day]]''' is an annual event celebrated on April 22, that it was first celebrated in 1970, and that Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network?


• ... that '''[[sweet, sweet crude oil]]''' is a transdimensional suspension of [[Sweet crude oil (nonfiction)|sweet crude oil]] in [[Extract of Radium]]?
• ... that singer-physicist '''[[J. R. Oppenheimer]]''' performed his hit song "Destroyer of Worlds" at the Grand Ole Opry on this day, leading to his being summoned before the House Un-American Activities Committee?
 
• ... that nuclear physicist '''[[Denys Wilkinson (nonfiction)|Denys Wilkinson]]''' (1922–2016) applied concepts from [[Physics (nonfiction)|physics]] to the study of bird navigation?
 
• ... that British cryptographer and intelligence officer '''[[Edward Travis (nonfiction)|Sir Edward Wilfred Harry Travis]]''' (1888–1956) became the operational head of Bletchley Park during World War II, and that Travis was later the head of GCHQ (Government Communications Headquarters), an intelligence and security organisation responsible for providing [[Signals intelligence (nonfiction)|signals intelligence]] and [[Information assurance (nonfiction)|information assurance]] to the government and armed forces of the United Kingdom?
 
• ... that astronomer, academic, and inventor '''[[Wilhelm Schickard (nonfiction)|Wilhelm Schickard]]''' (1592–1635) designed a mechanical adding machine which sounds an audible warning when an output is too large for the available dials?

Latest revision as of 06:01, 21 April 2022

• ... that Earth Day is an annual event celebrated on April 22, that it was first celebrated in 1970, and that Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network?

• ... that singer-physicist J. R. Oppenheimer performed his hit song "Destroyer of Worlds" at the Grand Ole Opry on this day, leading to his being summoned before the House Un-American Activities Committee?

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