jan 1, 1413 - Turtle ship

Description:

A turtle ship , also known as Geobukseon (거북선, Korean pronunciation: [kʌbuksən] ), was a type of large Korean warship that was used intermittently by the Royal Korean Navy during the Joseon dynasty from the early 15th century up until the 19th century.
It was used alongside the panokseon warships in the fight against invading Japanese naval ships.

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