Template:Selected anniversaries/April 13
1771: Engineer and explorer Richard Trevithick born. He 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.
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: Theoretical physicist Mendel Sachs born. His 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. He will receive the 1995 Nobel Prize in Literature.
1952: Steganographic analysis of The Eel Discovers Time Travel reveals new class of Gnomon algorithm functions which "forecast the emergence of Project MKUltra within a year."
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. He 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 supervillain The Eel uses portable wormhole generator to escape The Nacreum.