The Pentecostal revival movement in Chile began in the Methodist Episcopal church in 1902, in Valparaiso, under the pastorship of Rev.Willis C. Hoover K.
Today, about 15% of the Chilean population identifies as Pentecostal. The largest Pentecostal denominations represented in Chile are:
Pentecostal missions from United States (Assemblies of God, Church of God, The Foursquare Church) arrived in Chile in the late 50's.
References
Pentecostal revival movement in Chile Wikipedia(Text) CC BY-SA