1. 15th century (legend) / 20th century (confirmed)
    Confirmed Cryptids ★★★★★ Vietnam

    Hoan Kiem Turtle

    A legendary giant turtle said to live in Hoan Kiem Lake in Hanoi, Vietnam. Told of as the divine turtle to which a hero returned a sacred sword, it was confirmed to be one of the world's largest softshell turtles.

  2. Medieval period (trade in tusks)
    Confirmed Cryptids ★★★★★ Arctic Ocean

    Narwhal

    A whale of the Arctic seas with a single long tusk. In medieval Europe its tusks were traded at high prices as the horns of the legendary unicorn. It is the real "unicorn of the sea."