The first US commercial bank, The Bank of North America, opened in Philadelphia.
Source
Italy used its current tri-colored flag for the first time.
A 57-year-old man received the first transplanted heart from a genetically modified pig.
Galileo discovered the first three satellites of Jupiter.
French forces attacked Calais and took it back from English rule.
Black men were chased away by gunmen after trying to rescue white survivors during a mine explosion.
