In May 2011, MARS was discovered by Richard Lundgren and his team from Ocean Discovery off the island of Öland after many years of systematic side-scan surveying. Since the discovery, archaeological fieldwork has been carried out in cooperation with the Maritime Archaeological Research Institute (MARIS) at Södertörns University, Stockholm.
This Swedish orlog-vessel was larger than any contemporary ship and was therefore referred to as "Makalös" (matchless). It was the largest carvel-built warship of the Royal Swedish Navy under King Erik XIV at a time when carvel-construction was still a novelty in the Baltic Sea.
The Swedish monarch's attempt to achieve hegemony over the Baltic Sea by launching a series of large warships did not go unnoticed, resulting in the Nordic Seven Years’ War (1563-1570), in which his growing power was challenged by the Kingdom of Denmark and the Hanseatic City of Lübeck. One year after the outbreak - in spring 1564 - a sea battle occured between the Swedish and the allied Danish-Lübeckian fleet, lasting for two days. Initially the Swedish fleet under the command of admiral Jacob Bagge gained the upper hand, partly due to the heavy artiellery on board of MARS. In the course of the battle, however, the fleet formation was not maintained due to bad weather and visibility and the ships dispersed. After disengaging during nighttime, MARS found itself surrounded by enemy vessels in the next morning, and was attacked with incidendiaries at close range by Lübeckian ships under the command of admiral Friedrich Knevel, which set MARS ablaze. The vessel struck its flag and was boarded by 300 Lübeckers, but in the meantime the fire has reached the powder magazine and a massive explosion lead to the loss of the ship and all on board.
The impact of the explosion on MARS's hull integrity is strikingly visible as in a time-capsule. The entire wrecksite - which is also a battlesite - was visualised by a photomosaic, which reflects the inconceivable violence of the loss.
|People on board||700|
|Length||315.6 feet (96.2 m)|
|Beam||44.3 feet (13.5 m)|
|Tonnage||700 ton (350 last)|
|Displacement||1800 ton (900 last)|
Due to the great depth of 75 metres, the wreck is particularly well-preserved from both biological decay and anthropogenic impact. Maritime archaeological research campaigns are still ongoing, requiring remote operable vehicles (ROV) and technical divers.
There is also a contemporary report by the admiral of the Lübeck fleet - Friedrich Knevel - of the sinking of MARS in the Lübeck archive (ASA Externa Suecica 123), which has recently become the subject of a research project. Thus, a wealth of additional knowledge can be expected from this wreck and its historical context.
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Skeppet Mars—en ny bekantskap!.
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Mars (1564): the initial archaeological investigations of a great 16th-century Swedish warship.
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Document "ASA Externa Suecica 123".