Discovery of the islands in the ocean (Cairn T, Loughcrew, Co. Meath, Ireland, c.3200 BC)

Dr. Reinoud M. de Jonge, Jay Stuart Wakefield
Netherlands, USA

The petroglyphs on the endstone C8 of the passage grave of Cairn T in Loughcrew, Co. Meath, Ireland, dated c.3200 BC, tell us the story of the discovery of the islands in the North Atlantic Ocean: Canary Islands c.5700 BC, Shetland Islands c.5500 BC, Cape Verde Islands c.4600 BC, Madeira c.4200 BC, Rockall c.4100 BC, Azores c.3600 BC, Faroes and Iceland c.3400 BC, Cape Holm (Greenland) c.3300 BC, and S and SW Capes of Greenland c.3200 BC.