1610: Ieyasu Dispatches Tanaka Shōsuke to New Spain
Ieyasu dispatched the Kyoto merchant Tanaka Shōsuke to Spanish New Spain (Mexico) to explore renewing trade with Spain's Manila-based colonial network. The mission reflected Ieyasu's ambitions to expand overseas commerce and formed part of a broader pattern of exchange that would culminate in the later Keichō embassy to Europe.
Events this year
Month unknown
Construction of Nagoya Castle Begins
Tokugawa Ieyasu mobilized twenty western and northern daimyo to begin building Nagoya Castle as a defense against Osaka and the seat of the Owari Tokugawa house.