Matthias Flacius, Croatian theologian and reformer (b. 1520)
Matthias Flacius Illyricus (Latin; Croatian: Matija Vlačić Ilirik) or Francovich (Croatian: Franković) (3 March 1520 – 11 March 1575) was a Lutheran reformer from Istria, present day Croatia. He was notable as a theologian, sometimes dissenting strongly with his fellow Lutherans, and as a scholar for his editorial work on the Magdeburg Centuries.