Ōmura Sumitada

Ōmura Sumitada (大村 純忠, 1533 – June 23, 1587) was a Japanese daimyo lord of the Sengoku period. He achieved fame throughout the country for being the first of the daimyo to convert to Christianity following the arrival of the Jesuit missionaries in the mid-16th century. Following his baptism, he became known as "Dom Bartolomeu". Sumitada is also known as the lord who opened the port of Nagasaki to foreign trade.

Ōmura Sumitada was born in 1533, the son of Arima Haruzumi, lord of Shimabara, and his wife, who was a daughter of Ōmura Sumiyoshi. His childhood name was Shōdōmaru 勝童丸. At age 5, he was adopted by his uncle Ōmura Sumisaki, and succeeded to the Ōmura family headship in 1550. As Sumisaki had no legitimate heirs, and the Ōmura clan had its origins in the family line of the Arima, Sumisaki readily adopted the young Shodomaru, who took the name Sumitada at the time of his succession.

Following his succession, he was immediately faced with a multitude of pressures, the greatest of which was the attack from Ryūzōji Takanobu of Hizen-Saga. Sumitada found the answer to his problems in the form of Christianity. In 1561, following the murder of foreigners in Hirado (in the area of influence of the Hirado clan), the Portuguese began to look for other ports where they could trade.

In response to their search, Sumitada offered them safe haven in his domain, at Yokose-ura. This cast a great impression on the Portuguese, and particularly on the Society of Jesus (the Jesuits). This they readily agreed to, and soon after, in 1563, Sumitada and his retainers became Christian, and Sumitada took the baptismal name Bartolomeu. However, Sumitada was radical in his faith, razing Buddhist temples and Shinto shrines, defacing his ancestors' graves, and because he forced Christianity on his retainers and the people of his domain, he ran the serious risk of a general uprising.

Goto Takaakira, an illegitimate son of Ōmura Sumisaki who hated Sumitada, led an uprising and burned Yokoseura, ending the foreign trade there. As a result, in 1570, Sumitada opened the port of Nagasaki to the Portuguese and sponsored its development. When the Ryūzōji attacked Nagasaki in 1578, the Portuguese assisted Sumitada in repulsing them. Following this event, on June 9, 1580 Sumitada ceded Nagasaki "in perpetuity" to the Society of Jesus.

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