IT'S "THE EAST SEA" NOT "THE SEA OF JAPAN"

IT'S "THE EAST SEA" NOT "THE SEA OF JAPAN"

Vinland Map, a 15th-century redrawing of a 13th-century original, is the first western map to refer to the sea as the "East Sea" ("mare Occeanum Orientale").

"Minor Eastern Sea" in a early 18th-century German map

An early 17th-century Portuguese map; the first instance of "Sea of Korea ("Mar Coria") appearing on a map.

"Sea of Joseon" in a late 19th-century Japanese map.

"Sea of Korea" in a mid 18th-century French map.

Sea of Corea in an English map from mid 17th century