Kingdom of the Two Sicilies, Royal Military Order of St. George of the Reunion, Knight by Favor, in gold and enamel with replacement ribbon.The Order of Saint George of the Reunion is an order of knighthood of the Kingdom of the Two Sicilies to replace the Royal Order of the Two-Sicilies. It was created on 1 January 1819 by Ferdinand I of the Two Sicilies to reward military valor and merit and received its name to celebrate the reunification of Naples and Sicily into one kingdom after the Congress of Vienna. The Kingdom of the Two Sicilies was a kingdom located in Southern Italy from 1816 to 1860. The kingdom was the largest sovereign state by population and size in Italy prior to Italian unification, comprising Sicily and all of the peninsula of Italy south of the Papal States, covering most of the area of today’s Mezzogiorno