1776 is a musical with music and lyrics by Sherman Edwards and a book by Peter Stone. The show is based on the events leading up to the signing of the Declaration of Independence, telling a story of the efforts of John Adams to persuade his colleagues to vote for American independence and to sign the document. The show premiered on Broadway in 1969 where it received acclaim and won three Tony Awards, including Best Musical. The original production starred William Daniels as Adams, Ken Howard as Thomas Jefferson and Howard Da Silva as Benjamin Franklin.

Charles Thomson was an Irish-born patriot leader in Philadelphia during the American Revolution and the secretary of the Continental Congress (1774–1789) throughout its existence. As secretary, Thomson, a Founding Father of the United States, prepared the Journals of the Continental Congress, and his and John Hancock's names were the only two to appear on the first printing of the United States Declaration of Independence.