Complex sentence: The first Boy Scouts of America troop is claimed to have been organized in Pawhuska, in May 1909 by Reverend John F. Mitchell, a missionary priest from England sent to St. Thomas Episcopal Church by the Church of England.
Split into simpler sentences: The first Boy Scout troop in America is claimed to have been organized in Pawhuska, in May 1909 by Reverend John F. Mitchell. Rev. Mitchell was a missionary priest from England sent to St. Thomas Episcopal Church by the Church of England.