Two kingdoms, one hill
Knockgraffon Motte
In 1192 the English of Leinster raised a motte beside the River Suir during a raid into Munster. They built it on Rath Fionn - the old sacred hill where the Kings of Munster had been inaugurated before Cashel took the role. The motte was granted first to William de Braose, 3rd Lord of Bramber, then taken from him and given to Philip of Worcester. The hill predates all of them. The earthworks are still there, the fosse intact, the bailey defined by its stone bank. Heritage Ireland manages the site. There is no ticket office. You just walk up.
Bianconi's network and a village that grew around it
The Coaching Stop
Charles Bianconi started his first car service from Clonmel to Cahir in July 1815, then extended it toward Tipperary town and Limerick. His two-storey inns - stabling at ground level, beds above - appeared wherever the route needed a stop. New Inn is the name the village kept from that moment. The road-building programme that made it all possible was already decades old by then; the village itself almost certainly didn't exist before the coaches came through. The M8 motorway took the Cashel-Cahir traffic in October 2007. The old road is quieter. The name stays.