Precursor to Japan's Ban on Christianity (1610)

Timeline

1. 1609–1610Edo · KantoFormer Christian Okamoto Yahei forged Tokugawa Ieyasu's seal and documents in an attempt to gain commercial advantage in Nagasaki. After the case came to light, Ieyasu's suspicions of collusion between Christian forces and Portuguese merchants greatly increased, and he ordered a strict investigation and the arrest of the missionaries and merchants involved.
2. 1610Nagasaki · KyushuIn 1610 the shogunate arrested Portuguese merchants and missionaries in Nagasaki, and five Franciscans were executed at Uraga. That same year a ban on preaching was promulgated in the Edo region, Portuguese captains and crew were expelled, and the Tokugawa regime's policy of tolerating Christianity and Portuguese power was effectively terminated.