The video in this post explains how the idea of speaking in tongues morphed in the early 20th century. The YouTube site, Digging Deeper: “The early Pentecostals all believed that the gift of tongues consisted of authentic human languages. Both Charles Fox Parham (Topeka Outpouring) and William J. Seymour (Azusa Street Revival) believed that. How is it then that most of today’s Pentecostals and Charismatics identify the gift of tongues as a spiritual language? The truth is that the redefinition of tongues happened because of a public embarrassment in the founding years of Pentecostalism. I call this event the Great Pentecostal Disappointment. Find out more about it in this video.”