From ArticleWorld

Pennsylvania is known as the Keystone State. That state, particularly the city of Philadelphia, is an important part of American history.


The land now known as the state of Pennsylvania in the United States of America was occupied by the Delaware, Susquehanna, Erlez, and Shawnee tribes. In the early 1700s, Germans came to the area and settled in large numbers. The language and culture still have a strong hold in the state.

York, Pennsylvania was the site of where Congress adopted the Articles of Confederation and was the United States’ first national capital

Pennsylvania was formerly admitted into the nation on Dec. 12, 1787. That state is home to many first and established a model to all other states, including the first anti-slavery laws in 1688, the first public school in 1698, the first public library in 1731, the first zoo in 1874, and the first World’s Fair in 1876.

The Ferris wheel, accordion, root beer, typewriter, and cream cheese were all invented in Pennsylvania. The state is also where Ben Franklin invented bifocals, Daylight Savings Time, and the odometer.

Philadelphia, Pennsylvania displays the famous Liberty Bell till this day. Pittsburg acts as a huge cultural center in the United States.

Pennsylvania today

Today Pennsylvania is one of the most prosperous states in the United States, ranking sixth in gross state product in the U.S. and 28th in all the world’s economies.

Major industries include agriculture, food processing, chemical products, machinery, and tourism. Companies such as The Hershey Company, H.J. Heinz Company, Easton, Zippo, Alcoa, Comcast, and Pep Boys house headquarters in Pennsylvania.