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| YEAR | DATE | EVENT | HEAD OF STATE |
| 718 | Kingdom - dinasty Balti | king Pelagio I | |
| 737 | 18 september | king Favila | |
| 739 | king Alfonso I | ||
| 757 | king Fruela I | ||
| 768 | king Aurelio | ||
| 773 | king Silo | ||
| 785 | january | king Mauregato | |
| 789 | king Bermudo I | ||
| 791 | king Alfonso II | ||
| 842 | december | king Ramiro I | |
| 850 | february | king Ordono I | |
| 866 | 17 may | king Alfonso III | |
| 910 | december | king Garcia | |
| 913 | january | king Fruela II e Ordono II | |
| 923 | king Fruela II | ||
| 924 | Union to Kingdom of Leon | ||
| 1982 | 11 january | Spanish self-governing region |