How cannabis is consumed. In a 2010 National Survey on Drug Use and Health (NSDUH), 17.4 million people in the United States said they had used marijuana in the past month. According to the survey, marijuana is the most commonly used illegal drug.
Now the largest city in Pennsylvania, Philadelphia served as the nationâs capital from 1790 until a permanent capital was established in Washington, D.C., in 1800. Both the Declaration of Independence and the U.S. Constitution were signed in Philadelphia.
Pennsylvania was colonized on December 12, 1787. Most people that came to Pennsylvania were from Spain and Holland. The Spanish came to the colony in the 1600âs, and later it was invaded by the Dutch and the explorations of Henry Hudson. This was the cause of the later establishment of the Dutch West India Company in Pennsylvania, making the Dutch the first Europeans to occupy the land.