The declaration of independence of the United States of America, whose official title is The Unanimous declaration of the United States of America is a document drafted by the second continental congress - in the state house of Pennsylvania (now hall of the independence) in Philadelphia on July 4th, 1776, which proclaimed that the thirteen american colonies then at war with the kingdom of Great Britain had defined themselves as thirteen new sovereign and independent states and no longer recognized British rule; instead they formed a new nation: the United States: John Adams was one of the politicians who undertook the independence process, approved on July 2nd by the full congress without opposition.