Thoburn v Sunderland City Council
Thoburn v Sunderland City Council (also known as the "Metric Martyrs case") is a UK constitutional and administrative law case, concerning the interaction of EU law and an Act of Parliament. It is important for its recognition of the supremacy of EU law and the basis for that recognition.
Source: Wikipedia — Thoburn v Sunderland City Council (CC BY-SA 4.0)