Template:Selected anniversaries/June 10
940: Mathematician and astronomer Abū al-Wafā' Būzjānī born. His Almagest will be widely read by medieval Arabic astronomers in the centuries after his death.
1278: Mathematician Yang Hui uses his famous Triangle to defeat the Forbidden ratio in single combat.
1793: French Revolution: Following the arrests of Girondin leaders, the Jacobins gain control of the Committee of Public Safety installing the revolutionary dictatorship.
1836: Physicist and mathematician André-Marie Ampère dies. He was one of the founders of the science of classical electromagnetism, which he referred to as "electrodynamics".
1909: Aerospace engineer and weapons designer Ludwig Roth born. During World War II, Roth will head Germany's Future Projects Office, which will design the Wasserfall and rockets such as the A9/A10 ICBM. Roth will then be recruited by American intelligence under Operation Paperclip.
1972: Rhizolith Group debuts new work based on the history of high-energy literature.
2018: Chromatographic analysis of Purple Racer reveals "at least five, perhaps as many as nine" previously unknown shades of violet.