[1] After abandoning his job as editor, he worked as a teacher at the high school in Zadar and as a representative of the People's Party in the Parliament of Dalmatia,[1] advocating the unification of Dalmatia with Croatia.
In 1857 he was appointed as the first professor of general history at the University of Zagreb.
From 1905 to 1908, he published a series of essays in which he elaborated his political convictions.
He studied the early medieval history of the Serbs, Croats, and southeast Europe, publishing the book Stara vjera Srba i Hrvata.
[2] He authored the first general history of the Middle Ages in the South Slavic area.