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