America250 marks the 250th anniversary of which national event on July 4, 2026?

America250 marks the 250th anniversary of the U.S. Declaration of Independence on July 4, 2026.

The Second Continental Congress adopted the Declaration in Philadelphia on July 4, 1776. The document announced that the Thirteen Colonies regarded themselves as free and independent states rather than colonies governed by Great Britain.

Thomas Jefferson drafted the document, working with the Committee of Five, which also included John Adams, Benjamin Franklin, Roger Sherman, and Robert Livingston. Congress revised Jefferson’s draft before approving it.

The Declaration’s adoption and its later public presentation are often confused with the signing ceremony. Most delegates signed the engrossed parchment primarily on August 2, 1776, although the document had already been adopted in July. The declaration is therefore central to America250, while July 4 commemorates its adoption rather than the later completion of every signature.