Sefydlwyd y blaid lafur yn sgil streic Rheilffordd Dyffryn Taf ym 1900, a sbardunwyd gan yr erlid ar un o undebwyr y lle hwn. John Ewington railway trade unionist worked here. The Taff Vale Railway strike of 1900 fuelled the rise of the Labour Party

English translation: "John Ewington railway trade unuionist worked here. The Taff Vale Railway strike of 1900 fuelled the rise of the Labour Party"
This is an approximate position

by Rhondda Cynon Taf Council on 21 February 2015

Colour: blue

Wikimedia:

Flickr: