On 7 September 1592, the Madre de Dios was brought into the harbour at Dartmouth. Seven decks high and weighing some 1,600 tons, it was the largest ship England had ever seen. It was also the most treasure-filled. Its hold was packed with luxury goods: silk, damask, taffeta, calico; carpets, quilts, canopies; pepper, cloves, nutmeg, cinnamon; frankincense, camphor; ivory, ebony, and items of porcelain.
The Madre de Dios belonged to Portugal, a Spanish dominion since 1580. It was bringing merchandise back from the East Indies. Early on the morning of 3 August, to the west of the Azores, it had been spotted by a fleet of some seven English ships, most dispatched for just such a purpose by Sir Walter Raleigh. By 10am, the English were close enough to open…