Military history of Iceland called the Icelandic Cod Wars (Icelandic: "Þorskastríðin", "the cod war", or "Landhelgisstríðin", "the war for the territorial waters"), were a series of three confrontations from the 1950s to the 1970s between the United Kingdom and Iceland over fishing rights in the North Atlantic. The First Cod War lasted from 1 September until 12 November 1958. It began as soon as a new Icelandic law that expanded the Icelandic fishery zone from , came into force at midnight of 1 September. After a number of rammings and a few shots fired between the Royal Navy and Icelandic patrol boats, Britain and
Atlantic cod for one year the planned 82% reduction in catch limits. Instead, the limit was reduced by 22%. The fishery brought in $15.8 million in 2010, coming second behind Georges Bank haddock among the region's 20 regulated bottom-dwelling groundfish. Data released in 2011 indicated that even closing the fishery would not allow populations to rebound by 2014 to levels required under federal law. Restrictions on cod effectively limit fishing on other groundfish species with which the cod swim, such as flounder and haddock. Cod populations or stocks can differ significantly both in appearance and biology. For instance, the cod stocks of