Four British naval vessels <a href="https://en.wikipedia.org/wiki/Scilly_naval_disaster_of_1707" id="mwNQ" rel="mw:WikiLink" title="Scilly naval disaster of 1707">run aground</a> on the Isles of Scilly because of faulty navigation. In response, the first <a href="https://en.wikipedia.org/wiki/Longitude_Act" id="mwNg" rel="mw:WikiLink" title="Longitude Act">Longitude Act</a> is enacted in 1714.