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 with the public, and would not acknowledge the right of bureaucrats to impede that dialogue. To be effective, such ethical issues need to be included in science curricula. Cod has been an important economic commodity in an international market since the Viking period (around AD 800). Norwegians used dried cod during their travels, and soon a dried cod market developed in southern Europe. This market has lasted for more than 1,000 years, passing through periods of Black Death, wars and other crises and still is an important Norwegian fish trade. The Portuguese since the 15th century have been fishing cod