Welsh Assembly (Wales Act 1978)
In 1978, the Welsh Assembly (Welsh: Cynulliad Cymru) was a proposed legislature for Wales that would have acquired a set list of devolved powers from the Parliament of the United Kingdom. Provisions to establish the assembly were set out in the Wales Act 1978, subject to a post-legislative referendum.
Source: Wikipedia — Welsh Assembly (Wales Act 1978) (CC BY-SA 4.0)