Thomas Jefferson and John Adams both died on July 4, 1826. They were also the only two presidents to sign the Declaration of Independence.
Source: Presidential Fact Book, 1998, p.347, Joseph Nathan Kane, 973.033 K133P; The Declaration of Independence from the NARA website
Thomas Jefferson was living at Graff House, at 7th and Market Streets in Philadelphia, when he wrote the first draft of the Declaration.
Source: The Declaration House. theconstitutional.com. Retrieved from theconstitutional.com
The members were: Robert Morris, Benjamin Rush, Benjamin Franklin, John Morton, George Clymer, James Smith, George Taylor, James Wilson,and George Ross.
Source: About the Signers.constitutionfacts.com.Retrieved from constitutionfacts.com
It was here that George Washington received command of the Continental Army, here that the Declaration of Independence was adopted, and here that the Federal Constitution was framed.
Source: Bulletin Almanac and Yearbook, 1976, p.290, 917.481 B87 1976
It was first read near what is now Independence Square and was then the Univ. of Penn., by John Nixon on July 8th, 1776. The Liberty Bell was rung, as a crowd of 8,000 went wild.
Source: Philly Firsts: The Famous, Infamous, and Quirky of the City of Brotherly Love, 1999, p.1, Janice L. Booker, 974.811 B644P
It is owned by the Historical Society of Pennsylvania at 13th and Locust Streets in Philadelphia. This institution also owns the first printer's proof of the Declaration of Independence, the Penn family papers, plus other important historical objects.
Source: Philadelphia Bulletin Almanac, 1976, p.301