Isle of Man Steam Packet Company England, Wales, Scotland and Ireland. Ports served included Liverpool, Silloth, Whitehaven, Holyhead, Ardrossan, Blackpool, Belfast and Dublin. Vessels and crews of the company were actively involved in both the First and Second World Wars. One vessel, , was attached to the British Grand Fleet and led the German High Seas Fleet into Scapa Flow in the Orkney Islands at the end of the First World War. Another vessel, "Viking", was converted to become a seaplane carrier, serving as . During the First World War, eleven out of a total fleet of fifteen Steam Packet ships were requisitioned by the Admiralty.
Henry I Sinclair, Earl of Orkney Henry I Sinclair, Earl of Orkney Henry I Sinclair, Jarl of Orkney, Baron of Roslin (13451400) was a Scottish and a Norwegian nobleman. Sinclair held the title Earl of Orkney (which refers to Norðreyjar rather than just the islands of Orkney) under the King of Norway. He is sometimes identified by another spelling of his surname, "St. Clair". He was the grandfather of William Sinclair, 1st Earl of Caithness, the builder of Rosslyn Chapel. He is best known today because of a modern legend that he took part in explorations of Greenland and North America almost 100 years before Christopher