1. Johannes Lucius was a Dalmatian historian, whose greatest work is De regno Dalmatiae et Croatiae, which includes valuable historical sources, bibliography and six historical maps.

1. Johannes Lucius was a Dalmatian historian, whose greatest work is De regno Dalmatiae et Croatiae, which includes valuable historical sources, bibliography and six historical maps.
Johannes was the son of Peter Lucius and Clara Difnico, born in Trogir, Venetian Dalmatia.
Johannes Lucius participated in the work of many scientific academies of his age and wrote to scientists from Dalmatia, Italy and Europe.
Johannes Lucius wrote a number of historical works in Italian and Latin.
Johannes Lucius's first book Vita B Ioannis confessoris episcopi Traguriensis et eius miracula [Life of St John the Confessor, Bishop of Trogir] is an important source of Croatian, and especially Dalmatian, history between 11th and 13th centuries.
Johannes Lucius showed them that their roots reached back to the famous medieval dukes of Subics noble family from Bribir.
Johannes Lucius participated in the dispute about the authenticity of the text of Trimalchio's Banquet by the Roman satirist Petronius, which had been found in Trogir.
Johannes Lucius published a book of Roman inscriptions from Dalmatia, including the inscriptions collected by the famous Croatian poet and writer Marko Marulic.
Shortly before his death, Johannes Lucius prepared the Statute of Trogir for printing.
Johannes Lucius resided in Rome until his death and was buried there, in the Church of St Jerome.
Johannes Lucius was the first Dalmatian historian who critically examined and used historical sources: documents and chronicles, inscriptions and last wills.
Johannes Lucius corresponded with many famous people from Republic of Ragusa, especially Stefano Gradi, the head of the Vatican Library.
Johannes Lucius' work, written in a lapidary and clear style, based on critical considerations, is the cornerstone of the modern historiography about Dalmatia.
Today in Croatia, Johannes Lucius is considered the father of modern contemporary Croatian historiography.