| Ruler | Reign/State | From | To |
|---|---|---|---|
| Hadrian (1) | Roman Empire | From 117 AD | To 138 AD |
| Alessandro Farnese (1) | PARMA | From 1586 AD | To 1591 AD |
| Alfonso XII (1) | Spain | From 1874 AD | To 1885 AD |
| Andrea Doria (1) | From 1466 AD | To 1560 AD | |
| Anonime dei Radicati (1) | From 1581 AD | To 1598 AD | |
| Marcus Antonius (1) | Roman Republic | To 30 BC | |
| Antonio Maria Tizzone (1) | From 1598 AD | To 1641 AD | |
| Arlongo de Visgoni (1) | From 1260 AD | To 1282 AD | |
| Augustus (1) | Roman Empire | From 27 BC | To 14 AD |
| Charles III of Spain (1) | Neaples | From 1734 AD | To 1759 AD |
| Charles Emmanuel III of Sardinia (1) | Kingdom of Sardinia | From 1730 AD | To 1773 AD |
| Carlo X (1) | France | From 1824 AD | To 1830 AD |
| Cassia (1) | Roman Republic | ||
| Cosimo I de Medici (1) | FLORENCE | From 1537 AD | To 1574 AD |
| Cosimo II de Medici (1) | FLORENCE | From 1608 AD | To 1620 AD |
| Domenico Contarini (1) | Venice | From 1659 AD | To 1675 AD |
| Domitian (1) | Roman Empire | From 81 AD | To 96 AD |
| Ercole Radicati (1) | From 1585 AD | To 1587 AD | |
| Ferdinand Duke of Parma (3) | PARMA | From 1765 AD | To 1802 AD |
| Ferdinand I (2) | MILAN | From 1835 AD | To 1848 AD |
| Ferdinand I of Naples (1) | Neaples | From 1458 AD | To 1494 AD |
| Ferdinand II (2) | Neaples | From 1830 AD | To 1859 AD |
| Ferdinand III (1) | FLORENCE | From 1814 AD | To 1824 AD |
| Ferdinand IV (1) | Neaples | From 1759 AD | To 1799 AD |
| Ferdinand IV (1) | Neaples | From 1799 AD | To 1805 AD |
| Philippus II (1) | Roman Empire | From 244 AD | To 248 AD |
| Philip II (1) | MILAN | From 1554 AD | To 1598 AD |
| Filippo II e Anna d'Austria (1) | From 1527 AD | To 1580 AD | |
| Franz Joseph I (2) | MILAN | From 1848 AD | To 1859 AD |
| Franz Joseph I (1) | Venice | From 1849 AD | To 1866 AD |
| Francis I (1) | MILAN | From 1815 AD | To 1835 AD |
| Francesco I Farnese (1) | PIACENZA | From 1694 AD | To 1727 AD |
| Gian Lorenzo Bernini (1) | From 1598 AD | To 1680 AD | |
| Gino Capponi (1) | From 1792 AD | To 1876 AD | |
| Giuseppe II (1) | From 1765 AD | To 1790 AD | |
| Governo Popolare (3) | BOLOGNA | From 1796 AD | To 1797 AD |
| Guidolbaldo II (2) | From 1538 AD | To 1574 AD | |
| Laura Maria Caterina Bassi (2) | From 1711 AD | To 1778 AD | |
| Livia D'Auria Carafa (1) | |||
| Luigi Filippo (1) | France | From 1830 AD | To 1848 AD |
| Marie Louise Duchess of Parma (1) | PARMA | From 1815 AD | To 1847 AD |
| Maria Theresa of Austria (1) | MILAN | From 1740 AD | To 1780 AD |
| Massimiliano I (1) | From 1509 AD | To 1516 AD | |
| Maximinus Thrax (2) | Roman Empire | From 235 AD | To 238 AD |
| Medaglie napoleoniche (1) | |||
| Napoleon (2) | BOLOGNA | From 1805 AD | To 1814 AD |
| Napoleon I (2) | MILAN | From 1805 AD | To 1814 AD |
| Napoleone III (1) | France | From 1852 AD | To 1870 AD |
| Nerva (1) | Roman Empire | From 96 AD | To 98 AD |
| Nicola Spedalieri (1) | From 1740 AD | To 1795 AD | |
| Nicoḷ Tron (1) | Venice | From 1471 AD | To 1473 AD |
| Orange Guillaume-Henri de Nassau (1) | From 1650 AD | To 1702 AD | |
| Ottavio Farnese (1) | PARMA | From 1547 AD | To 1586 AD |
| Pope Clemente VII (1) | Papal States | From 1523 AD | To 1534 AD |
| Pope Gregory XIII (1) | Papal States | From 1572 AD | To 1585 AD |
| Pope Gregory XVI (4) | Papal States | From 1831 AD | To 1846 AD |
| Pope Leone XIII (1) | Papal States | From 1878 AD | To 1903 AD |
| Pope Paul III (1) | Papal States | From 1534 AD | To 1549 AD |
| Pope Paul V (1) | Papal States | From 1605 AD | To 1621 AD |
| Pope Pius IX (6) | Papal States | From 1846 AD | To 1878 AD |
| Pope Pio VI (4) | Papal States | From 1775 AD | To 1799 AD |
| Pope Pius VII (1) | Papal States | From 1800 AD | To 1823 AD |
| Pietro di Campofregoso (1) | From 1450 AD | To 1458 AD | |
| Ranieri III (3) | From 1949 AD | To 2005 AD | |
| Repubblica del Gabon (1) | |||
| Republic of Genoa (1) | |||
| Republic of San Marino (1) | San Marino | ||
| Roman Republic (1) | Papal States | From 1798 AD | To 1799 AD |
| Subalpine Republic (1) | TORINO | From 1800 AD | To 1802 AD |
| Terza Repubblica (1) | France | From 1871 AD | To 1940 AD |
| Trajan (5) | Roman Empire | From 98 AD | To 117 AD |
| Tullia M. Tullius (1) | Roman Republic | ||
| Vespasian (1) | Roman Empire | From 69 AD | To 79 AD |
| Vittoria (1) | From 1837 AD | To 1901 AD |
