- Capital: Rome
- Pepin the Short donates territory to Pope Stephen II (756 AD)
- Treaty of Venice (1177)
- Avignon Papacy (1309-1376)
- Protestant Reformation (16th century)
- First Roman Republic occupation (1798-1799)
- Unification of Italy (1848-1871)
- Second Roman Republic occupation (1849-1850)
- Capture of Rome (1870)
- Annexed by Kingdom of Italy (1870)
- Vatican City established (1929)
Sources