lives. Some historians believe that the Mary Rose turned too quickly and submerged her open gun ports; according to others, it sank due to poor design. Portsmouth's fortifications were improved by successive monarchs. The town experienced an outbreak of plague in 1563, which killed about 300 of its 2,000 inhabitants. Stuart to Georgian In 1623, Charles I (then Prince of Wales) returned to Portsmouth from France and Spain. His unpopular military adviser, George Villiers, 1st Duke of Buckingham, was stabbed to death in an Old Portsmouth pub by war veteran John Felton five years later. Felton never attempted to escape, and was caught walking the streets when soldiers confronted him; he said, "I know that he is dead, for I had the force of forty men when I struck the blow". Felton was hanged, and his body chained to a gibbet on Southsea Common as a warning to others. The murder took place in the Greyhound public house on High Street, which is now Buckingham House and has a commemorative plaque. Most residents (including the mayor) supported the parliamentarians during the English Civil War, although military governor Colonel Goring supported the royalists. The town, a base of the parliamentarian navy, was blockaded from the sea. Parliamentarian troops were sent to besiege it, and the guns of Southsea Castle were fired at the town's royalist garrison. Parliamentarians in Gosport joined the assault, damaging St Thomas's Church. On 5 September 1642, the remaining royalists in the garrison at the Square Tower were forced to surrender after Goring threatened to blow it up; he and his garrison were allowed safe passage. Under the Commonwealth of England, Robert Blake used the harbour as his base during the First Anglo-Dutch War in 1652 and the Anglo-Spanish War. He died within sight of the town, returning from Cádiz. After the end of the Civil War, Portsmouth was among the first towns to declare CharlesII king and began to prosper. The first ship built in over 100 years, , was launched in 1650; twelve ships were built between 1650 and 1660. After the Restoration, CharlesII married Catherine of Braganza at the Royal Garrison Church. During the late 17th century, Portsmouth continued to grow; a new wharf was constructed in 1663 for military use, and a mast pond was dug in 1665. In 1684, a list of ships docked in Portsmouth was evidence of its increasing national importance.