On March 4, 1681, King Charles II signed the royal grant that gave William Penn the land of Pennsylvania.
The Revolutionary War started in 1775 when Paul Revere took his famous midnight ride and alerted the colonists that the redcoats were attacking. It ended in 1783 with the Treaty of Paris.
On the fourth of July, 1776, the founding fathers signed the Declaration of Independence.
The Treaty of Paris was signed.
Pennsylvania is admitted into the Union.
In 1803, the US bought the Louisiana Purchase from Napoleon for $15,000,000.
The War of 1812 was an attempt by the English to retake the US. Although it ended in a stalemate, it secured the nation's independence.
When Robert E. Lee surrendered on April 9, 1865, it signaled the collapse of the confederacy.
The Thirteenth Amendment to the United States constitution is ratified, officially abolishing slavery from the US.