The whole art of war consists of guessing at what is on the other side of the hill.

1915) currently His Grace the Duke of Wellington
Arthur Wellesley Marquess of Douro (b. Arthur Wellesley may refer to:
Arthur Wellesley 1st Duke of Wellington (1769–1852) Anglo-Irish soldier and statesman
Arthur Wellesley 2nd Duke of Wellington (1807–1884) British soldier and nobleman
Arthur Wellesley 4th Duke of Wellington (1849–1934) British soldier
Arthur Wellesley 5th Duke of Wellington (1876–1941) British soldier and nobleman
Arthur Wellesley 8th Duke of Wellington (b. 1945) son and heir of previous
Arthur Wellesley Earl of Mornington (b.