| 1746 | - Begins extensive electrical experiments
 
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| 1747 | - Franklin writes "The Plain Truth," a pamphlet arguing for better military preparedness in PA. In the pamphlet is the first political cartoon published in America.
 - Peter Collinson of London sends Franklin an electric tube. "For my own part, I never was before engaged in any study that so totally engrossed my attention and my time as this has lately done.
 
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| 1748 | - Becomes a soldier in the PA militia after turning down a commission as a Colonel citing military inexperience.
 
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| 1749 | - Franklin presents his vision for education in a pamphlet titled "Publick Academy of Philadelphia." His initiatives and vision would lead to the founding of the University of Pennsylvania.
 
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| 1751 | - Letters on electricity published in London by Peter Collinson
 
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| 1752 | - Conducts kite experiment
 - Received Copley Medal of the royal Society of London for research in electricity. Deputy Postmaster General of N.A.
 - Wrote a plan for a union of the colonies for security and defense.
 
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| 1752 |  | 
| 1753 | - Received honorary degrees from Harvard and Yale.
 - Appointed joint Deputy Postmaster General of North America.
 
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| 1754 | - Proposes plan of colonial union at Albany Congress
 
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| 1757-62 | - In England as agent for Pennsylvania Assembly, Massachusetts, Georgia, New Jersey
 
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| 1759 | - Receives honorary degree of Doctor of Laws from the University of St. Andrews, Scotland
 
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| 1762 | - Mapped Postal routes in the colonies. Invents glass armonica
 
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| 1764-65 |  | 
| 1766 | - Examined in House of Commons in support of repeal of the Stamp Act
 
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| 1768 | - Named Colonial Agent for Georgia.
 
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| 1769 | - Named Colonial Agent for New Jersey.
 
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| 1770 | - Elected Colonial Agent for Massachusetts.
 
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| 1771 |  | 
| 1771-72 |  | 
| 1774 | - Dressed down before London's Privy Council by Solicitor General Wedderburn for leaking letters in the "Hutchinson Affair."
 - Deborah Read, his wife of 44 years, dies in Philadelphia
 
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| 1775 | - Elected as a Pennsylvania delegate of Pennsylvania to Second Continental Congress; serves as chairman of Pennsylvania Committee of Safety
 - Elected Postmaster General of the Colonies
 
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| 1776 |  | 
| 1777 | - Meets Madame Brillon, an amour.
 
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| 1778 |  | 
| 1779-81 | - Appointed to negotiate peace treaty with England.
 
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| 1780 | - Madame Helvetius rejects Franklin's offer of marriage.
 
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| 1783-84 |  | 
| 1785-86 | - Elected President of Pennsylvania Executive Council
 - Invents the "long arm," an instrument for taking down books from a shelf
 
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| 1787 |  | 
| 1789 |  | 
| 1790 |  |