 Reinforcing the distinction the King's proclamation of the same day concerning the arms and flag of the United Kingdom (not colours at sea) called the new flag "the Union Flag".The size and power of the Royal Navy internationally at the time could also explain why the flag was named the "Union Jack"; considering the navy was so widely utilised and renowned by the United Kingdom and colonies, it is possible that the term "jack" occurred because of its regular use on all British ships using the jackstaff (a flag pole attached to the bow of a ship).The term "Union Jack" possibly dates from Queen Anne's time (r. 1702–14), but its origin is uncertain.