The following infographic was created to describe why other tongues, otherwise known as strange tongues or unknown tongues was added to I Corinthians. The results may surprise many observers — this idiom was an English Bible translation phenomenon that started in the 1500s.
King James Bible
The Unknown Tongues in the English Bible
How the adjective unknown became a crucial contributor to the modern christian doctrine of tongues. No, it was not started by Paul in the first century. The tradition of unknown tongues begins with the Reformation in the sixteenth and evolves from there.
This article is the story about how this unfolded.
Click on image for a full version.