The main outcome of the U.S. Declaration of Independence was the formal assertion of the American colonies' separation from British rule. Adopted on July 4, 1776, the document articulated the colonies' grievances against King George III and espoused the principles of individual rights, liberty, and self-governance. It laid the ideological foundation for the United States, emphasizing ideas such as the pursuit of happiness and equality. The Declaration galvanized support for independence among colonists and inspired future democratic movements worldwide. Ultimately, it marked the birth of a new nation and set the stage for establishing a democratic government.