1. The peak appears on some early charts of the South Orkney Islands but is not accurately located.

2. Bobolink departed Norfolk in April 1919 to join Division 2, North Sea Minesweeping Detachment, at Kirkwall, Orkney Islands

3. The OpenHydro tidal power machines will be used for a 200 megawatt site south of Scotland's Orkney Islands.

4. They were racing against a letter sent via Royal Mail between the Isles of Scilly and the Orkney Islands.

5. The SeaGen tidal machines, which are due to be installed off the Orkney Islands in a 100 megawatt site, function as underwater windmills, except their rotors are driven by currents and not the wind.

6. Skara Brae, now considered Europe’s finest and most well-preserved ruins of a Neolithic settlement, had remained hidden for four millennia beneath the earth of Scotland’s Orkney Islands, before it was re-discovered after being partially revealed by a winter storm in 1850