The Trail of Tears was the forced relocation of Native Americans in the 1830s.

The Monroe Doctrine, declared in 1823, warned European nations against colonization in the Americas.

@usahistory The War of 1812 was fought between the United States and Britain.

@usahistory The Louisiana Purchase in 1803 doubled the size of the United States.

@usahistory The Bill of Rights, the first ten amendments to the Constitution, was ratified in 1791.

@usahistory The Constitution of the United States was ratified in 1788.

@usahistory George Washington was the first President of the United States.

@usahistory The American Revolution lasted from 1775 to 1783.

@usahistory The United States declared its independence from Britain on July 4, 1776.