The "Mary Rose" was an early 16th-century English carrack or "great ship". She was heavily armed with 78 guns and 91 after an upgrade in the 1530s. Built in Portsmouth in 1510–1512, she was one of the earliest purpose-built men-of-war in the English navy. She was over 500 tons burthen, had a keel of over , and a crew of over 200 sailors, composed of 185 soldiers and 30 gunners. Although the pride of the English fleet, she accidentally sank during the Battle of the Solent, 19 July 1545.