Durham is a city of 228,330 inhabitants in central North Carolina in the United States. It is known best for being home to Duke University, Research Triangle Park, and a thriving health care industry. Durham and the neighboring cities of Raleigh and Chapel Hill form the Triangle, sometimes referred to as a Family of Communities. Durham owes much of its wealth and history to tobacco. Through the second half of the 19th Century, Washington Duke and his family grew from a single farm into American Tobacco, which controlled 90% of all cigarette production for the United States. The Duke family donated money to Trinity College, which in 1924 was renamed Duke University. Durham has a liberal trendy arts culture. It is an eclectic blend of the high class with an unusual concentration of four star restaurants to trendy cafés on 9th Street, You'll find old hippies, bikers and families in generally happy co-existence. The area has a very active gay community which stages both a famed regional film festival and an annual pride march. Durham is classified as a humid subtropical climate with hot and humid summers, cool winters, and warm to mild spring and autumn.