The United States of America was formed after thirteen British colonies in North America declared independence from the British Empire on July 4, 1776...

Following are the historical territorial acquisitions of the United States: For information on internal territorial acquisitions, see List of U.S.–Native...

and territorial acquisition, U.S. Bureau of the Census Territorial acquisitions of the United States States and incorporated territories of the United States...

United States Proposals for a 51st state Territorial evolution of the United States U.S. territorial sovereignty Compact of Free Association The original...

United States National Grid United States territorial acquisitions Cartography of New York City S. Max Edelson, The New Map of Empire: How Britain Imagined...

Territories of the United States are sub-national administrative divisions overseen by the federal government of the United States. The various American...

Since 1867, the United States has considered, or made, several proposals to purchase the island of Greenland from Denmark, as it did with the Danish West...

The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated...

In the United States, each state has its own written constitution. They are much longer than the United States Constitution, which only contains 4,543...

The United States does not have an official language at the federal level, but the most commonly used language is English (specifically, American English)...