Tilbury Fort is an artillery fort on the north bank of the River Thames in England. The earliest version was constructed by King Henry VIII to protect London against attack from France. Reinforced during the 1588 Spanish invasion scare and Parliamentary forces used it during the English Civil War of the 1640s. During the Anglo-Dutch Wars of 1670 the fort was enlarged by Sir Bernard de Gomme to form a star-shaped defensive work, with angular bastions, water-filled moats and two lines of guns facing onto the river.
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