Complex sentence: The Nation of Gods and Earths was founded by Allah after he left the Nation of Islam's Temple Number Seven in Harlem, New York (the same temple where Malcolm X was a minister from 1960 to 1963).
Split into simpler sentences: The Nation of Gods and Earths was founded by a man claiming to be Allah or God. After he left the Nation of Islam's Temple Number Seven in Harlem, New York (the same temple were Malcolm X was a minister from 1960 to 1963).