The North Sea has traditionally been an important command from the 13th to 15th centuries there was an Admiral of the North based at Yarmouth that office ceased when it was unified with the new office of Admiral of England. During the 16th and 17th centuries Vice Admirals in the North Sea were appointed to the command of the North Sea Squadron though on an intermittent basis. From 1652 to 1654 Yarmouth used by the Royal Navy for stationing its fleets during the First Anglo-Dutch War. A more permanent appointment was then established in 1745 the Commander-in-Chief, North Sea he had overall responsibility for the North Sea Fleet usually anchored at Yarmouth Roads. The fleet is most well known for its key role in the Battle of Camperdown against the Dutch Navy on the 11 October 1797 which resulted in a decisive British victory. The fleet was also involved in trade protection with the advent of the looming Napoleonic Wars and later it turned to the blockading of enemy ports. The fleet also played an instrumental part in the British anti-invasion preparations of 1803–05 in response to Napoleon's planned invasion of the United Kingdom.