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Events on Sunday 5 April 1609 1
1609Satsuma invasion of the Ryukyu KingdomJapanese domain conquers Okinawa and makes it a tributaryForces of Japan's Satsuma Domain invaded the Ryukyu Kingdom in March 1609, capturing King Sho Nei and the capital Shuri by early April. The kingdom was forced to become a tributary of Satsuma while retaining nominal independence and its separate tribute relationship with China. The invasion began over two centuries of dual subordination for Ryukyu.