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In page Ship of the line:

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King Erik XIV of Sweden initiated construction of the ship Mars in 1563; this might have been the first attempt of this battle tactic, roughly 50 years ahead of widespread adoption of the line of battle strategy.[citation needed] Mars was likely the largest ship in the world at the time of her build, equipped with 107 guns at a full-length of 96 metres (315 ft).[citation needed] Mars became the first ship to be sunk by gunfire from other ships in a naval battle.[citation needed]