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| YEAR | DATE | EVENT | HEAD OF STATE |
| 823 | Common | Giovanni | |
| 839 | Costantino | ||
| 866 | Marino | ||
| 8xx | Tiberio | ||
| 875 | Docibilis | ||
| 877 | Duchy | duke John I (I) and Docibilis I | |
| 906 | Duchy | duke John I (II) | |
| 915 | Duchy | duke John I (III) and Docibilis II (I) | |
| 933 | duke Docibilis II< (II) and John II (I)/TD> | ||
| 954 | duke John II (II) | ||
| 962 | duke Gregorio | ||
| 969 | duke John III | ||
| 978 | duke Marino and John IV (I) | ||
| 984 | duke John IV (II) | ||
| 991 | duke John IV (III) and John V (I) | ||
| 1008 | duke John V (II) | ||
| 1012 | duke Leone I and John VI (I) | ||
| 1015 | duke Leone II and John VI (II) | ||
| 1024 | duke John VI (III) | ||
| 1040 | duke Guimaro prince of Salerno | ||
| 1041 | duke Rainolfo earl of Aversa | ||
| 1045 | duke Atenolfo I of Aquino | ||
| 1058 | duke Giordano prince of Aversa | ||
| 1062 | duke Atenolfo II of Aquino | ||
| 1064 | duke Lando of Traietto | ||
| 1065 | duke Dannibaldo | ||
| 1067 | duke Goffredo Ridello | ||
| 1086 | duke Rinaldo Ridello | ||
| 1092 | duke Landolfo | ||
| 1103 | duke Guglielmo | ||
| 1104 | duke Riccardo I dell'Aquila | ||
| 1111 | duke Aandrea dell'Aquila | ||
| 1113 | duke Jonathas | ||
| 1121 | duke Riccardo II | ||
| 1135 | Union to Kingdom of Napoli |