Template:Selected anniversaries/June 2
1743: Occultist and explorer Alessandro Cagliostro born. He will become a glamorous figure associated with the royal courts of Europe where he will pursue psychic healing, alchemy, and scrying.
1881: Engineer and radio pioneer Henry Joseph Round born. Round will be the first to report the observation of electroluminescence from a solid state diode.
1896: Guglielmo Marconi applies for a patent for his wireless telegraph.
1922: Game theory experts predict that Lloyd Shapley will be born "within two years at the most."
1923: Mathematician and economist Lloyd Shapley born. He will define game theory as "a mathematical study of conflict and cooperation."
2014: Pharmacologist and chemist Alexander Shulgin dies. He discovered, synthesized, and personal bioassayed over 230 psychoactive compounds for their psychedelic and entactogenic potential.
2019: Signed first edition of Blue Foliage purchased for an undisclosed amount by "a consortium of Gnomon algorithm theorists based in New Minneapolis, Canada."