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| YEAR | DATE | EVENT | HEAD OF STATE | GOVERNOR |
| 801 | Count of Barcellona of H.R.E. | earl Bera | ||
| 820 | earl Bernard | |||
| 844 | earl Aleran | |||
| 852 | earl Odalric | |||
| 858 | earl Humfried I | |||
| 864 | earl Bernard of Gothia | |||
| 878 | earl Wilfred I | |||
| 897 | earl Wilfred II Borel I and Suner | |||
| 911 | earl Suner | |||
| 947 | earl Miro and Borel II | |||
| 965 | earl Borel II | |||
| 993 | earl Raymond Borel | |||
| 1017 | earl Berengar Raymond I | |||
| 1035 | earl Raymond Berengar I | |||
| 1076 | earl Raymond Berengar II and Berengar Raymond II | |||
| 1082 | earl Berengar Raymond II | |||
| 1086 | earl Berengar Raymond II and Raymond Berengar III | |||
| 1097 | earl Raymond Berengar III | |||
| 1131 | earl Raymond Berengar IV | |||
| 1162 | 8 august | Union to Kingdom of Aragona | ||
| 1640 | Republic | |||
| 1652 | Union to Kingdom of Spain | |||
| 1703 | Kingdom - dinasty Asburgo | king Carlo VI H.R.E. | ||
| 1711 | Union to Kingdom of Spain | |||
| 1810 | 8 february | French occupation | Pierre François Charles Augereau, duque du Castiglione | |
| 1810 | 28 may | Jacques Étienne Joseph Macdonald, duque du Taranto | ||
| 1811 | august | Charles Decaen | ||
| 1813 | 1 december | Union to Kingdom of Spain | ||
| 1914 | 26 march | Association of Provinces of Catalonia | Enric Prat de la Riba i Sarrà | |
| 1917 | 29 november | Josep Puig i Cadafalch | ||
| 1924 | 30 january | Alfons Sala i Argemí, comte d'Egara | ||
| 1925 | 20 march | Union to Kingdom of Spain | ||
| 1931 | 14 april | Popular Republic | Francesc Macià i Llussà | |
| 1933 | 25 december | Joan Casanovas i Maristany | ||
| 1934 | 1 january | Lluís Companys Jover (I) | ||
| 1934 | 7 october | Francisco Giménez Arenas | ||
| 1935 | 10 january | Manuel Portela Valladares | ||
| 1935 | 9 april | Joan Pich i Pon | ||
| 1935 | 28 october | Eduardo Alonso y Alonso | ||
| 1935 | 27 november | Ignasi Villalonga Villalba | ||
| 1935 | 16 december | Joan Maluquer Viladot | ||
| 1935 | 18 december | Felix Escalas Chamení | ||
| 1936 | 17 february | Joan Moles Ormella | ||
| 1936 | 4 march | Lluís Companys Jover (II) | ||
| 1939 | 28 february | Union to Spain | ||
| 1979 | 22 december | Spanish self-governing Region |