Lewis accordingly became a co-founder of Plaid Genedlaethol Cymru (The National Party of Wales), now the Welsh nationalist political party known as Plaid Cymru, at a covert meeting with fellow nationalists during the 1925 National Eisteddfod of Wales. Lewis has been described by Jan Morris as, "the most passionate of twentieth century Welsh patriots", Jan Morris (1984), The Matter of Wales: Epic Views of a Small Country, Oxford University Press. Page 352. and as being, "one of the few twentieth century writers in Welsh with a European reputation, but for many Welshmen [he was] chiefly the keeper of the national conscience." Jan Morris (1984), The Matter of Wales: Epic Views of a Small Country, Oxford University Press. Page 132. Lewis is usually acknowledged as one of the most vitally important figures in 20th-century Welsh-language literature. He is also widely credited, through his 1962 radio address Tynged yr Iaith ("The Fate of the Language"), with almost singlehandedly bringing Welsh back from the brink of language death.
Lewis accordingly became a co-founder of Plaid Genedlaethol: Cymru (The National Party of Wales), now the Welsh nationalist political party known as Plaid Cymru, at a covert meeting with fellow nationalists during the 1925 National Eisteddfod of Wales. Lewis has been described by Jan Morris as, "the most passionate of twentieth century Welsh patriots", Jan Morris (1984), The Matter of Wales: Epic Views of a Small Country, Oxford University Press. Page 352. and as being, "one of the few twentieth century writers in Welsh with a European reputation, but for many Welshmen [he was] chiefly the keeper of the national conscience." Jan Morris (1984), The Matter of Wales Epic Views of a Small Country, Oxford University Press. Page 132. Lewis is usually acknowledged as one of the most vitally important figures in 20th-century Welsh-language literature. He is also widely credited, through his 1962 radio address Tynged yr Iaith ("The Fate of the Language"), with almost singlehandedly bringing Welsh back from the brink of language death.