Territorial evolution of the United States Territorial evolution of the United States The United States of America was created on July 4, 1776, with the declaration of independence of thirteen British colonies. Their independence was recognized by Great Britain with the Treaty of Paris of 1783, following the American Revolutionary War. This effectively doubled the size of the colonies, now able to stretch west past the Proclamation Line to the Mississippi River. This land was organized into territories and then states, though there remained some conflict with the sea-to-sea grants claimed by some of the original colonies. In time, these grants were ceded to the federal
Proclamation of Rebellion and Parliament. When it became clear that the king was not inclined to act as a conciliator, colonial attachment to the Empire was weakened, and a movement towards declaring independence became a reality, culminating in the United States Declaration of Independence on July 4, 1776. Proclamation of Rebellion The Proclamation of Rebellion, officially titled A Proclamation for Suppressing Rebellion and Sedition, was the response of George III of Great Britain to the news of the Battle of Bunker Hill at the outset of the American Revolutionary War. Issued August 23, 1775, it declared elements of the American colonies in a