Ragusa / Dubrovnik Until 1808 Dubrovnik’s official name was Ragusa. Dubrovnik never made a war to conquer a territory, instead of running a war, it bought it’s territory with a real money. Dubrovnik (Republic of Ragusa) was the first European state which promulgated the first quarantine law in 1377 and established quarantine (lazzaretto) on the island of Mljet in 1397. ...