The Dragon Banner of the Vast Sea: Records of Nanyang Jing'an

During the Tianqi years, Lin Chen founded the Hanhai Alliance, based on Black Sand Island, to resist the covetousness of the Western colonists (Dutch, Portuguese, and Spanish) in the South Seas, eliminate the remaining pirates and eunuchs, build a South Sea trade system, link the court and the South Sea tribes, ultimately protect the peace of the South Seas, and create a new pattern of South Seas trade.