Benjamin Franklin's Life! By zukiniandchurros Jan 17, 1706 Born on January 17, 1706 Jan 1, 1718 Apprentices with his brother in 1718 Exact Date not known Jan 1, 1728 Opens own printing office in 1728 Exact date not known. Jan 1, 1728 Becomes only publisher and owner of the Pennsylvania Gazette in 1728 Exact date not known Jan 1, 1731 Founds first public library in 1731 Exact date not known Jan 1, 1748 Retires from printing in 1748 Exact date not known Jun 10, 1752 Kite Experiment in 1752 Exact date not known Jan 1, 1757 Goes to England as a colonial representative in 1757 Exact date not known Jul 4, 1776 Signs Declaration of Independence in 1776 Mar 17, 1778 Negotiates Treaty of Alliance with France in 1778 Sep 3, 1782 Negotiates Treaty of Peace with Great Britain in 1782 Sep 17, 1787 Signs Constitution of the United States in 1787 Apr 17, 1790 Ben Franklin Dies in 1790