21st May 1974: From left to right, John Cleese, Neil Innes, Michael Palin and Eric Idle dressed as Arthurian knights on the set of 'Monty Python and the Holy Grail'. (Photo by John ...

Before the 1975 release of Monty Python and the Holy Grail, the British comedy troupe Monty Python was barely known overseas. People in Britain knew the group, made up of Graham Chapman, John Cleese, ...