context: The British Army is the land warfare branch of the British Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in the year 1707. The new British army incorporated regiments that were already in England and Scotland and was run by the War Office in London. It has been run by the Ministry of Defense since 1964; the professional head of the British Army is the Chief of the General Staff, currently General Sir Peter Wall.
question: When was the British army's special force established?
answers.text: 1707