1779
ID: 603
Franklin becomes Venerable Master of Nine Sisters - first American to lead major European lodge
ID: 603
1779
ID: 604
Turgot's epigram on Franklin: 'He snatched lightning from heaven and scepter from tyrants'
ID: 604
1779
ID: 605
Euler posthumously develops systematic approach to number theory congruences
ID: 605