Propaganda, a congregation, as it is called, at Rome, originated by Gregory XIII., and organised in 1622 by Gregory XV., the object of which is to propagate the faith of the Church among heathen nations and in countries where there is no established hierarchy, connected with which there is a college at Rome called the Congregatio de Propaganda Fide, where pupils are instructed for different fields of missionary enterprise.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Prometheus * Propertius, Sextus