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 fisheries needed and areas where opposite observations were gaining press attention. In effect, DFO's opposition to a listing compromised its ability to carry out its conservation mandate. The ban on Canadian cod fishing was partly lifted in 1997 by the Minister for DFO just ten days prior to a federal election, despite that independent Canadian scientists and the International Council for the Exploration of the Sea doubted there had been sufficient recovery. In general, depleted populations of cod and other gadids do not appear to recover easily when fishing pressure is reduced or stopped. In 2003, COSEWIC in an update designated