The Battle of Jutland was a major naval battle between the British Royal Navy's Grand Fleet and the German Imperial Navy's High Seas Fleet during World War I. It took place from May 31 to June 1, 1916 off the coast of Denmark's Jutland peninsula. It was the largest naval battle of WWI and resulted in a tactical draw, with both sides claiming victory. The British suffered heavier ship losses but retained control of the sea. The battle demonstrated the continued importance of naval power and tactics like maintaining battle fleet concentration of force.