What important document did Thomas Jefferson write to say that the colonists should no longer be ruled by Britain?

Thomas Jefferson wrote the Declaration of Independence to assert that the colonists should no longer be ruled by Britain. Adopted on July 4, 1776, this pivotal document outlined the colonies' grievances against King George III and articulated the principles of individual rights and self-governance. It marked the formal assertion of the colonies' independence and their intention to establish a new nation.