''Kolding cog'' or ''Koldingkoggen'' is a

shipwreck A shipwreck is the wreckage of a ship that is located either beached on land or sunken to the bottom of a body of water. Shipwrecking may be intentional or unintentional. Angela Croome reported in January 1999 that there were approximately ...

that was found in

Kolding Fjord Kolding Fjord is a 10 km long fjord between Kolding and Little Belt. Fjord has a 7 meters deep ship channel linking it to Kolding port. In 1943 a shipwreck A shipwreck is the wreckage of a ship that is located either beached on l ...

in 1943. The ship was a ca. 18 m long cog built of oak around the year 1190. The wreck was examined by the

National Museum of Denmark The National Museum of Denmark (Nationalmuseet) in Copenhagen is Denmark's largest museum of cultural history, comprising the histories of Danish and foreign cultures, alike. The museum's main building is located a short distance from Strøget ...

in 2001. The study discovered that ''Kolding cog'' had a

stern rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw a ...

thus making it the oldest known ship to have one.

See also