The Welsh at Mametz Wood by Christopher Williams portrays the 11 July 1916 Charge of the Welsh Division at Mametz Wood, part of the Somme offensive. Painted at the request of the Secretary of State for War, David Lloyd George. Williams visited the scene in November 1916 and later made studies from a soldier supplied for the purpose. The painting is in the collection of the National Museum of Wales, to whom it was presented by Sir Archibald Mitchelson in 1920.