The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district (Washington, D.C.), and 326 Indian reservations. Outside the union of states, it asserts sovereignty over five major unincorporated island territories and various uninhabited islands. The country has the world's third-largest land area, second-largest exclusive economic zone, and third-largest population, exceeding 334 million. Here is a timeline of every time it’s territory changed.
| Date | Other Countries Involved | President | Change |
|---|---|---|---|
| July 4th, 1776 | United Kingdom | George Washington | The 13 Colonies declares independence. The 13 Colonies are Massachusetts, Rhode Island, Connecticut, New Hampshire, New York, New Jersey, North Carolina, South Carolina, Maryland, Delaware, Pennsylvania, Virginia and Georgia. |
| January 15th, 1777 | Vermont Republic | George Washington | The Vermont Republic (Part of New York) declares independence from the US. |