Worst oil tanker spill

Worst oil tanker spill
Who
The Atlantic Empress and Aegean Captain collision
Where
Off coast of Tobago, Carribean Sea,
When
19 July 1979
The collision of the Atlantic Empress with the Aegean Captain off the coast of Tobago in the Caribbean Sea on July 19, 1979, resulted in the loss of 42.7 million US gallons of oil (287,000 tonnes).  42.7 miilion US gallons = 35.5 million UK gallons = 161.6 million metric litres