The school of evangelical thought developed around the fact that on the first day of Pentecost when the Holy Spirit was given, the observers were able to hear Peter preach in their native languages. (Acts 2). Pentecostal, or charismatic, doctrine is characterized by the following concepts: the Christian should be baptized in the Holy Spirit after being born again; a Christian who is baptized in the Holy Spirit will receive special gifts such as the ability to speak in unlearned languages (tongues), interpret a message given in tongues, and/or pray for the sick with the "laying on of hands" . The modern Pentecostal movement grew out of the three-year Azusa Street (Los Angeles) revival which began in 1906. Major denominations: Assemblies of God, United Pentecostal; Foursquare Church. Many non-Pentecostal churches have pockets of charismatic worshippers, including denominations not usually associated with Evangelicals.