Amoco Cadiz , an oil tanker , ran aground on the coast of Brittany (Portsall) in France on 16 March 1978, resulting in an oil spill that is still considered one of the worst ecological disasters in history.
https://en.wikipedia.org/wiki/Amoco_Cadiz
![Amoco Cadiz](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Amoco_Cadiz_2.jpg)
Sunk at 48.6°N 4.7°W