 The 2011 census recorded 32.1 per cent of people declaring no religion, while 7.6 per cent did not reply to the question.The patron saint of Wales is Saint David (), with Saint David's Day () celebrated annually on 1 March.In 1904, there was a religious revival (known by some as the 1904–1905 Welsh Revival, or simply The 1904 Revival) which started through the evangelism of Evan Roberts and saw large numbers of people converting to non-Anglican Christianity, sometimes whole communities.