High Quality Content by WIKIPEDIA articles! The General Council of the Assemblies of God in the United States of America or Assemblies of God USA (AG USA) is a Pentecostal Christian denomination in the United States founded in 1914 during a meeting of Pentecostal ministers at Hot Springs, Arkansas. With a constituency of over 3 million, it was ranked the ninth largest denomination in the United States in 2011. The Assemblies of God USA is the U.S. branch of the World Assemblies of God Fellowship, the world`s largest Pentecostal body.