London Welsh Centre was introduced in 1925. When it reappeared after the Second World War in October 1946 it was called "Y Ddinas". Some idea of the range of activities at the London Welsh Centre in the post war years can be gathered from the announcement in "Y Ddinas" for just one month, January 1948. The Centre was the venue for three dances, two nights of community singing, a concert, two whist drives and an "at home". The Centre’s magazine is now published quarterly alongside regular newsletters by email. Welsh language classes have been held more or less continuously at the London Welsh
History of the Welsh language from 36% in 1931 to 26% in 1961, out of a population of about 2.5 million. Meirionnydd, Anglesey, Carmarthen, and Caernarfon averaged a 75% concentration of Welsh speakers, but the most significant decrease was in the counties of Glamorgan, Flint, and Pembroke. Lewis' intent was to motivate Plaid Cymru to take more direct action to promote the language; however it led to the formation of "Cymdeithas yr Iaith Gymraeg" (the Welsh Language Society) later that year at a Plaid Cymru summer school held in Pontardawe in Glamorgan. With concern for the Welsh language mounting in the 1960s, the Welsh Language