Since when has the rank of James Cassels been at its current level in the British Army?
James Cassels (British Army officer) Field Marshal Sir Archibald James Halkett Cassels, {'1': ", '2': ", '3': ", '4': "} (28 February 1907 – 13 December 1996) was a senior British Army officer who served as Chief of the General Staff, the professional head of the British Army, from 1965 to 1968. As a young man he was a first-class cricket player, initially playing in India for the Europeans against the Hindus in the Lahore Tournament and going on to play for a Punjab Governor's XI against Northern India team and for a Viceroy's XI against the Roshanara Club. He later played for the British Army cricket team against the RAF at The Oval and then played for the Egyptian national side against HM Martineau's XI in Alexandria.
James Blair (Indian Army officer) General James Blair VC CB (27 January 1828 – 18 January 1905) was a Scottish recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.