Template:Selected anniversaries/July 20
1562: Didacus automaton develops self-awareness, invents new class of Gnomon algorithm functions.
1937: Businessman and inventor Guglielmo Marconi dies. He shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
1889: Mark Twain alleges that Baron Zersetzung is "trafficking in Clandestiphrine and Extract of Radium, to the detriment of clear and rational thought, relentless seeking to corrupt, usurp, and digest what remains of the Republic."
1977: Project MKUltra (nonfiction): The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.
2017: Pin Man says he was "was involved with Project MKUltra (nonfiction)."