History of the North Sea United Kingdom and Germany signed the Treaty of Heligoland. The Cod War of 1893 erupted between Denmark and Britain over fishing territories. Denmark declared a fishing territory of 13 nautical miles (24 km) around their shores which included Iceland and the Faroe Islands. Britain did not acknowledge this claim. Tensions in the North Sea were again heightened in 1904 by the Dogger Bank incident, in which Russian naval vessels mistook British fishing boats for Japanese ships and fired on them, and then upon each other. The incident, combined with Britain's alliance with Japan and the Russo-Japanese War led to an
Cod Wars Wars because Icelandic statesmen were too greatly constrained by domestic politics to offer compromises to the British, but British statesmen were not as constrained by public opinion at home. International relations scholars such as Robert Keohane, Joseph Nye, Hans Morgenthau, Henry Kissinger and Ned Lebow have written on the Cod Wars. The 2016 review article finds that lessons from the Cod Wars have most commonly been applied to liberal and realist international relations theory and theories on asymmetric bargaining. It claims that the Cod Wars are widely seen as inconsistent with the precepts of the liberal peace, since democracy, trade