The Mongol Invasions of Japan

Season 7, Episode 12: The Mongol Invasions of Japan
A copy of the original letter sent to Japan by Kublai Khan. Remember that Japanese is read from the top down and right-to-left. Public Domain
A portrait of Hojo Tokimune, who was the Shikken (Shogun’s Regent) during both Mongol Invasions. Public Domain
A map illustrating both invasions. Source: Qiushufang, CC BY-SA 4.0, via Wikimedia Commons
Stoneware bombs from the invasions. The lumpy bits on the outside are barnacles. Source: 震天動地, CC BY-SA 3.0, via Wikimedia Commons
An illustration of Samurai boarding a Mongol vessel. Public Domain
Another such illustration of Japanese ships hunting for unobservant Mongol craft. Public Domain
A map of Sakhalin Island, which is the central body of land. Directly west is northern Manchuria. Public Domain