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Preserving fragile wooden maritime heritage from the sixteenth century represents one of the most remarkable achievements in modern archaeological science . In Portsmouth Historic Dockyard , thousands of international visitors gaze in awe at the dramatic wooden hull of the Mary Rose . This legendary Tudor warship , which served as the flagship of King Henry VIII , sank tragically during the Battle of the Solent in July 1545 . For more than four centuries , the starboard hull of the Mary Rose had rested undisturbed beneath thick layers of protective seabed silt . Marine archaeologists had searched for the historic wreck for decades before divers finally located the timber remains in 1971 . In October 1982 , in a monumental maritime engineering feat watched by millions on live television , salvage teams raised the delicate hull from the ocean floor . The ship had survived four hundred and thirty - seven years underwater , but exposing ancient oak timbers to atmospheric oxygen posed an immediate preservation threat . To prevent the saturated wood from shrinking and crumbling , conservators have been spraying the hull with specialized protective chemicals for decades . Between 1994 and 2013 , technicians continuously sprayed the timbers with water - soluble polyethylene glycol wax to replace trapped moisture inside the wood cells . Since completing the subsequent controlled air - drying phase , the museum has displayed the ship inside an airtight , climate - controlled glass pavilion . Modern scientific conservation has ensured that this irreplaceable Tudor time capsule will inspire future generations for centuries to come . Rescuing sunken historical vessels bridges centuries of technological evolution and preserves invaluable cultural heritage . Meticulous scientific dedication ensures that monumental maritime treasures remain accessible to curious learners worldwide . Have you ever visited a maritime museum or inspected historic shipwreck artifacts ? How long had the oldest historical relic you have seen rested in the ground or seabed before archaeologists discovered it ?
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