A. Military rule in the 1980s
Japan violated the League of Nationâ??s terms of war by invading Manchuria
Since 1923 a rock found with inscriptions have been studied. The symbols look just like Viking Runes that would sustain the theory that Vigings have been to America long before Columbus. The theory is however contested by experts, some of which thinks that itis a hoax. The rock is known as "the Heavener Runestone".
