Philadelphia, Pennsylvania was founded in 1682 by William Penn, an English Quaker who sought to create a city based on principles of religious freedom and equality. The city quickly became a hub of colonial America, serving as the temporary capital of the United States from 1790 to 1800. Throughout its history, Philadelphia has played a pivotal role in the development of the nation. The city was a key player in the American Revolution, hosting the Continental Congress and serving as the site of the signing of the Declaration of Independence in 1776. In the 19th and 20th centuries, Philadelphia continued to flourish as an industrial and cultural center. It was home to numerous innovations, including the first hospital, medical school, and public library in the United States. The city also played a significant role in the abolitionist movement and the Underground Railroad. Today, Philadelphia is a vibrant and diverse city known for its rich history, world-class museums, thriving food scene, and passionate sports fans. It remains a beacon of American history and culture, attracting visitors from around the world.