| Date | Age | Event | Bishop | Title | Current Title |
|---|
| 29 Jul 1910 | | Born | Félix Erviti Barcelona, O.M.I. † | | Prefect Emeritus of Western Sahara {Sahara Occiental} |
| 8 May 1922 | | Born | Acacio Valbuena Rodríguez, O.M.I. † | | Prefect Emeritus of Western Sahara {Sahara Occiental} |
| 19 Feb 1933 | 22.5 | Ordained Priest | Félix Erviti Barcelona, O.M.I. † | Priest of Oblates of Mary Immaculate | Prefect Emeritus of Western Sahara {Sahara Occiental} |
| 17 Mar 1945 | 22.8 | Ordained Priest | Acacio Valbuena Rodríguez, O.M.I. † | Priest of Oblates of Mary Immaculate | Prefect Emeritus of Western Sahara {Sahara Occiental} |
| 19 Jul 1954 | 43.9 | Appointed | Félix Erviti Barcelona, O.M.I. † | Prefect of Western Sahara {Sahara Occiental} | Prefect Emeritus |
| 16 Mar 1974 |
| Born | Mario León Dorado, O.M.I. | | Prefect of Western Sahara {Sahara Occiental} |
| 6 Jul 1994 | 83.9 | Retired | Félix Erviti Barcelona, O.M.I. † | Prefect of Western Sahara {Sahara Occiental} | Prefect Emeritus |
| 10 Jul 1994 | 72.1 | Appointed | Acacio Valbuena Rodríguez, O.M.I. † | Prefect of Western Sahara {Sahara Occiental} | Prefect Emeritus |
| 24 Sep 1996 | 22.5 | Professed | Mario León Dorado, O.M.I. | Member of Oblates of Mary Immaculate | Prefect of Western Sahara {Sahara Occiental} |
| 24 Nov 2000 | 90.3 | Died | Félix Erviti Barcelona, O.M.I. † | Prefect Emeritus of Western Sahara {Sahara Occiental} |
| 2 Jun 2001 | 27.2 | Ordained Priest | Mario León Dorado, O.M.I. | Priest of Oblates of Mary Immaculate | Prefect of Western Sahara {Sahara Occiental} |
| 25 Feb 2009 | 86.7 | Retired | Acacio Valbuena Rodríguez, O.M.I. † | Prefect of Western Sahara {Sahara Occiental} | Prefect Emeritus |
| 4 May 2011 | 88.9 | Died | Acacio Valbuena Rodríguez, O.M.I. † | Prefect Emeritus of Western Sahara {Sahara Occiental} |
| 24 Jun 2013 | 39.2 | Appointed | Mario León Dorado, O.M.I. | Prefect of Western Sahara {Sahara Occiental} |
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