History of the United Kingdom during the First World War and the German Imperial Navy did come into contact, notably in the Battle of Heligoland Bight, and at the Battle of Jutland. In view of their inferior numbers and firepower, the Germans devised a plan to draw part of the British fleet into a trap and put it into effect at Jutland in , but the result was inconclusive. In , the High Seas Fleet tried a similar enticement operation and was "lucky to escape annihilation". The lessons learned by the Royal Navy at Jutland made it a more effective force in the future. In 1914, the navy had also
Battle of the Atlantic the Alaskan Aleutian Islands, the Battle of the Atlantic was the only battle of the Second World War to touch North American shores. U-boats disrupted coastal shipping from the Caribbean to Halifax, during the summer of 1942, and even entered into battle in the Gulf of St. Lawrence. Canadian officers wore uniforms which were virtually identical in style to those of the British. The ordinary seamen were issued with an 'MN Canada' badge to wear on their lapel when on leave, to indicate their service. At the end of the war, Rear Admiral Leonard Murray, Commander-in-Chief Canadian North Atlantic, remarked,