Philadelphia (ausgeprägtes/ˌfɪləˈdɛlfiə/) is the largest city in Pennsylvania, 6. - to most-inhabitant-most city in the United States and the fifty roofridge einwohnerstarkste city in the world. [3] 2008 became the population of the correct city estimated, in order to be more than 1,54 million, [4] during larger Philadelphia Metropolitanarea' S-population of 5,8 million formed it the country' s fifth - most largely. The city, which is appropriate for approximately 80 miles (130 kilometers) southwest of New York town center, [5] is the nation' s fourth largest city by population and its fourth largest consumer central market, as regulatorily by the Nielsen media research. It is the office for district of the Philadelphia county, with which it is coincidence. Popular nicknames for Philadelphia cover Philly and the city of the fraternal love, of the literal importance of the city' S-name on Greek (Greek: Φιλαδέλφεια ([pʰilaˈdelpʰeːa], modern Greek: [filaˈðelfia]) " fraternal love" , compound up philos (φίλος) of " love" and adelphos (ἀδελφός) " brother"). Handels, educational and cultural center, Philadelphia was once the second largest city in the British empire [6] (to London) and social and geographical center of the original 13 American colonies. It was a center piece of early American history, the landlord to many of the ideas and the activities, which relieved for American revolution and to independence. It was the einwohnerstarkste city of the young United States, although by the first counting 1790, New York town center had overhauled it. Philadelphia served as one of the nation' s many capitals during the revolutionary war and afterwards. After the confirmation, the city served the US constitution as the temporary national capital from 1790 to 1800, while Washington, DC, was in the building. Philadelphia is central to the Afroamerikanergeschichte; its large black population tiert the large migration zurückda.