On 9 June 1580 Ōmura Sumitada ceded jurisdiction over Nagasaki and Mogi to the Society of Jesus. On August 25, the armies of Philip II of Spain won the Battle of Alcântara, claiming the throne of Portugal and accomplishing the union of the empires so feared in Macau and Nagasaki, as it threatened the Chinese permission to stay in Macau, and challenged their carefully built trade monopoly as it opened to the Spanish based in the Philippines. In 1582, from Japan, Valignano sent an embassy to the Pope and the kings of Europe sponsored by Kirishitan daimyos Sumitada, Ōtomo Sōrin and Arima Harunobu, whom he accompanied via Macau to Goa.