1707 Scilly naval disaster: four British Royal Navy ships run aground near the Isles of Scilly because of faulty navigation. Admiral Sir Cloudesley Shovell and thousands of sailors drown.
1983 Sikorsky S-61 disaster: a helicopter crashes off the Isles of Scilly, causing 20 fatalities.
1986 The Three Hundred and Thirty Five Years' War between the Netherlands and the Isles of Scilly ends.