On Saturday the 24th of October, Cymdeithas yr Iaith Gymraeg are to hold their General Meeting and Annual Rally in the Welsh Language Centre in Merthyr Tydfil, titled A Revolution in the Valleys. The General Meeting will begin at 10.30am and the Annual Rally at 2pm.Menna Machreth, Chair of Cymdeithas yr Iaith said,"We were very pleased to receive a invitation by our members in Merthyr to hold our 2009 General Meeting in the town.