Free Library of Philadelphia
1.  Which two presidents died on the 50th anniversary of the signing of the Declaration of Independence, July 4th, 1826?

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

2.  Where did Thomas Jefferson write much of The Declaration of Independence?
Thomas Jefferson was living at Graff House, at 7th and Market Streets in Philadelphia, when he wrote the first draft of the Declaration.

Source: Bulletin Almanac and Yearbook, 1976, p.267, 917.481 B87 1976
3.  What Pennsylvanian members of the Continental Congress signed the Declaration of Independence?

The members were: Robert Morris, Benjamin Rush, Benjamin Franklin, John Morton, George Clymer, James Smith, George Taylor, James Wilson,and George Ross.

Source: Philadelphia Bulletin Almanac, 1976, p.269
4.  What are the three most important events to have occurred in the Assembly Room of Independence Hall in Philadelphia?
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
5.  When was the first public reading of the Declaration of Independence?
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
6.  Where is the first draft of the United States Constitution?
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