Mezue nkebi ahịrịokwu na-esonụ: Mkpa Philadelphia dị na ebe dị n'etiti ógbè ndị ahụ mere ka ọ bụrụ ebe ndị na-eme mgbanwe n'America na-anọkarị. Ka ọ na-erule afọ ndị 1750, Philadelphia agafeela Boston ịghọ obodo kasị ukwuu na ọdụ ụgbọ mmiri kasị ekwo ekwo na British America, na nke abụọ na Alaeze Ukwu Britain mgbe London gasịrị. Obodo ahụ nabatara ọgbakọ mbụ nke Continental (1774) tupu Agha Nnwere Onwe;
Second Continental Congress (1775<unk>76), nke bịanyere aka na United States Declaration of Independence, n'oge agha ahụ; na Nkwekọrịta Iwu (1787) mgbe agha ahụ gasịrị. E busokwara ọtụtụ agha na Filadelfia nakwa n'ebe dị ya nso.