Toyotomi Hideyoshi By Vedant Mishra 1582 1582-1598 he was the japanese military leader in Japan 1586 in 1586 he builds a huge castle named Osaka 1588 1588 he prohibited commoners from carrying weapons, including swords. 1591 in 1591 he redefies the japanese class system 1594 1594 he builds the Fushmi castle outside Koyo Sep 18, 1598 in 18 september 1598 he died