The Rebecca riots saw Welsh farmers disguised as women destroy tollgates as a way of challenging what they believed was an oppressive taxation system.
Much of what we know about the life of the sixth century monk, St David, comes from medieval texts written several centuries later.
The last invasion of Britain involved bungled military plans, sozzled soldiers and a legendary Welshwoman wielding a pitchfork.
Britain may have ditched the Roman calendar in 1752 but Cwm Gwaun continues to cling on to its old traditions.