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American scientist Benjamin Franklin showed that lightning was electrical by flying a kite and explained how Leyden jars work. 1780: Italian scientist Luigi Galvani discovered Galvanic action in living tissue. 1785
The timeline of historic inventions is a chronological list of particularly ... This event is followed by the beginning of the Iron Age. ... Benjamin Franklin invents ...
Benjamin Franklin thought that slavery was "an atrocious debasement of human nature" and "a source of serious evils." In 1787, Franklin and Benjamin Rush helped write a new constitution for the Pennsylvania Society for Promoting the Abolition of Slavery, [264] and that same year Franklin became president of the organization. [265]
Events in the 1850s culminated with the election of the anti-slavery Republican Abraham Lincoln as president on November 6, 1860. This provoked the first round of state secession as leaders of the cotton states of the Deep South were unwilling to remain in what they perceived as a second-class political status, with their way of life now ...
1752 – Benjamin Franklin establishes the link between lightning and electricity by the flying a kite into a thunderstorm and transferring some of the charge into a Leyden jar and showed that its properties were the same as charge produced by an electrical machine. He is credited with utilizing the concepts of positive and negative charge in ...
Benjamin Franklin was so busy as an inventor, publisher, scientist, diplomat and U.S. founding father that it’s easy to lose track of his accomplishments. Franklin was an early innovator of ...
Benjamin Franklin (1759) The Albany Plan of Union was a rejected plan to create a unified government for the Thirteen Colonies at the Albany Congress on July 10, 1754 in Albany, New York . The plan was suggested by Benjamin Franklin , then a senior leader (age 48) and a delegate from Pennsylvania.
Staring out from the $100 bill, looking more like a wise old uncle than Founding Father, Benjamin Franklin seems an easy guy to like. And if anyone belongs on U.S. currency it's this colonial ...