Thomas Jefferson was the primary author of the Declaration of Independence, adopted by the Continental Congress on July 4, 1776. The document declared the thirteen American colonies' intent to separate from British rule, outlining unalienable rights such as life, liberty, and the pursuit of happiness. Jefferson's eloquent writing encapsulated Enlightenment ideals and emphasized the belief in government by consent of the governed. The Declaration served not only as a statement of independence but also as a framework for democracy and human rights, influencing future generations and revolutions around the world. Jefferson's role in this pivotal moment solidified his legacy in American history.