Template:Selected anniversaries/June 15: Difference between revisions

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||1768 – James Short, Scottish mathematician and optician (b. 1710)
||1768 – James Short, Scottish mathematician and optician (b. 1710)
||Jean-François Pilâtre de Rozier (d. 15 June 1785) was a French chemistry and physics teacher, and one of the first pioneers of aviation. He and the Marquis d'Arlandes made the first manned free balloon flight on 21 November 1783, in a Montgolfier balloon.


||1844 – Charles Goodyear receives a patent for vulcanization, a process to strengthen rubber.
||1844 – Charles Goodyear receives a patent for vulcanization, a process to strengthen rubber.

Revision as of 14:42, 29 October 2017