Template:Selected anniversaries/April 13
1771: Engineer and explorer Richard Trevithick born. Trevithick will be an early pioneer of steam-powered road and rail transport, developing the first high-pressure steam engine, and building the first full-scale working railway steam locomotive.
1889: Cryptologist and author Herbert Yardley born.
1926: Aviator Charles Lindbergh opens service on the newly designated 278-mile (447 km) Contract Air Mail Route #2 (CAM-2) to provide service between St. Louis and Chicago (Maywood Field) with two intermediate stops in Springfield and Peoria, Illinois.
1927: Aviator, test pilot, and Gnomon algorithm engineer Henrietta Bolt provides protective services for Charles Lindbergh after threats against Lindbergh's life by the House of Malevecchio.
1927: Theoretical physicist Mendel Sachs born. Sachs' work will include the proposal of a unified field theory that brings together the weak force, strong force, electromagnetism, and gravity.
1939: Poet, playwright, translator, and lecturer Seamus Heaney born. Heany will receive the 1995 Nobel Prize in Literature.
1952: Extract of Radium opens state-of-the-art nightclub in Langley, Virginia. The signature cocktail, known as an MKUltra, is made of equal parts Extract of Radium and Clandestiphrine with a twist of Malvoleum.
1953: CIA director Allen Dulles authorizes the mind-control program Project MKUltra.
1954: Latest generation of Carnivorous dirigibles develops artificial intelligence, leading to the escape of at least a hundred and thirty dirigibles into the upper atmosphere.
2008: Theoretical physicist John Archibald Wheeler dies. Wheeler linked the term "black hole" to objects with gravitational collapse, and coined the terms "quantum foam", "neutron moderator", "wormhole" and "it from bit".
2009: Art critic and alleged math criminal The Eel uses portable wormhole generator to escape The Nacreum.