Japan under the Shoguns By ashq3 794 Emperors court moves from Nara to Heian-kyo 1000 First Japanese novels 1200 Zen Buddhism introduced 1265 First Mongol invasion 1281 Second Mongol invasion Period: 1467 to 1568 Age of the warring states 1543 First Portuguese traders 1615 Himeji Castle finished 1637 Closing of ports to foreign ships 1854 Treaty with USA