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
Welsh Ornithological Society species recorded five times or less each year and decisions are published in the report "Scarce and rare birds in Wales". The body continues the work of the Welsh Records Advisory Group founded in 1967. BirdTrack is an online citizen science website, operated by the British Trust for Ornithology (BTO) on behalf of a partnership of the BTO, the RSPB, BirdWatch Ireland, the Scottish Ornithologists' Club and the Welsh Ornithological Society. Welsh Ornithological Society The Welsh Ornithological Society () is an organisation which promotes the study and conservation of birds in Wales. Each year it organises a conference and publishes