Xenoglossy is the alleged speaking or writing in a language entirely unknown to the speaker. The probability of this happening is about zero.
See also automatic writing, glossolalia, and Ian Stevenson.
further reading
A History of Doubt
No doubt, no enlightenment!
Print versions available in Estonian
, Russian
,
Japanese ,
Korean
, and
(soon) Spanish .
Freethinkers
What have you got to lose but
your shackles?
World Association of Christian Fundamentalists