Plaid Cymru is a centre-left to left-wing, Welsh nationalist political party in Wales, committed to Welsh independence from the United Kingdom.
Plaid was formed in 1925 and won its first seat in the UK Parliament in 1966. Wikipedia
Leader: Rhun ap Iorwerth (Party leader)
Founders: Saunders Lewis, Lewis Valentine, Huw Robert Jones, and more
Founded: August 5, 1925, United Kingdom