Industriae Tuae

Industriae tuae is a papal bull of Pope John VIII, issued in June of 880, which the Pope sent to Prince Svätopluk as a reaction to the Great Moravian delegation being sent to Rome. This document legitimatizes the political power of the king, who is greeted as a sovereign. The work itself is addressed to "the beloved son of Svätopluk, the famous count". The Popes declared Great Moravia a fief of the Holy See, which meant that he put Great Moravia on par with other European states of the period, i