Template:Selected anniversaries/June 5
1646: Mathematician and philosopher Elena Cornaro Piscopia born.
1756: Chemist, physician, agronomist, industrialist, statesman, educator, and philanthropist Jean-Antoine-Claude Chaptal born.
1861: USS Cairo retrofitted with military Gnomon algorithm functions.
1865: Council of algorithms announces plans to fund and build a Museum of Algorithms.
1900: Physicist and engineer Dennis Gabor born. He will invent holography, for which he will receive the 1971 Nobel Prize in Physics.
1910: Short story writer O. Henry, known for his surprise endings, dies.
1976: Physicist Robert Pohl dies. Pohl has been called the "father of solid state physics".
2004: John Brunner publishes history of crimes against mathematical constants.
2012: Science fiction writer and screenwriter Ray Bradbury dies. The New York Times calls Bradbury "the writer most responsible for bringing modern science fiction into the literary mainstream".
2016: Signed first edition of Mad King stolen from the Tate in London by agents of the Forbidden Ratio gang.
2019: Signed first edition of Confessions of a Quantum Artist-Engineer (1) purchased for an undisclosed amount by "a well-known Gnomon algorithm theorist living in New Minneapolis, Canada."