 References to speaking in tongues by the Church fathers are rare.Except for Irenaeus' 2nd-century reference to many in the church speaking all kinds of languages "through the Spirit", and Tertullian's reference in 207 AD to the spiritual gift of interpretation of tongues being encountered in his day, there are no other known first-hand accounts of glossolalia, and very few second-hand accounts among their writings.During the 20th century, glossolalia primarily became associated with Pentecostalism and the later charismatic movement.