2009
Recognition of Flores Island as a UNESCO Biosphere Reserve
2008
Creation of Island Natural Parks
2007
Recognition of Corvo and Graciosa Islands as UNESCO Biosphere Reserves
2004
UNESCO recognizes the Landscape of the Pico Island Vineyard Culture as a World Heritage Site
1989
Natura 2000 network creation
1988
Implementation of the Blue Flag Program in the Azores
1983
UNESCO recognizes Central Zone of the Town of Angra do Heroísmo as World Heritage Site
1972
Creation of “Caldeira do Faial” and Pico Mountain reserves