Jesuit Mission Expansion in Japan (1570s)

Timeline

1. 1570–1575Oita, Bungo Province · Bungo ProvinceAround 1570, Ōtomo Sōrin publicly converted to Christianity, allowing churches to be built in Bungo and sending envoys to Rome; Kyushu daimyo such as Arima Harunobu and Ōmura Sumitada also protected missionaries, and Nagasaki gradually developed into a center of trade and mission work.
2. 1579Kyoto · Yamashiro ProvinceJesuit visitor Alessandro Valignano arrived in Japan in 1579, tightened discipline in local churches, advocated a missionary strategy adapted to Japanese culture, and began training indigenous clergy, marking the transition of the Japanese mission from early pioneering to an institutionalized phase.