1287  – King Alfonso III- Isla Del Rey.

1711 – 1st  Hospital erected under Admiral John Jennings, Commander of the Mediterranean.

1713 – Treaty of Utrecht 1st occupation, Governor Richard Kane – Bloody Island.

1756 – French domination – Ille du Roi.

1763 – Treaty of Paris- 2nd British occupation.

1771 – Governor General Moystin. 1st stone laid by Baron Peter Dennis, Admiral of the Mediterranean fleet.

1776- Hospital building finalized.

1781 – Hospital dismantled by Duke of Crillon.

1782 – Treaty of Versailles – 1st Spanish occupation.

1784 – Building repairs and addition of Chapel San Carlos.

1798 – 3rd British occupation

1802 – Peace treaty of Amiens. Conquerors right.

1821 – Yellow fever epidemic – Lazareto Island.

1830 – Military hospital during the French Wars (African conquests).

1833 – American Naval workshop and store depot.

1840 – Coal base for the French.

1888 – Basilica Paleocristiana unearthed under General Hipólito Llorente

1906 – South wing restored, copper plaque discovered commemorating completion of hospital in 1776.

1964 – Hospital transferred to C. Vasallo in Mahón town.

1974 – Town Council offers Island to the Spanish Government to build a Parador.

1979 – Hospital and inside garden are declared National Historical & Artistic Monument.

1985 – Property of the town Council of Mahón. One of the ideas propose was to build a 5 star hotel

2004 – Association Friends of the Hospital Island formed.

2005 – The Association converted into a Foundation