Who are "expelling the Dutch" and "a generation of heroes"? What are his major historical achievements?

166 1 year, eastbound in Taiwan Province province. As a new base area, Taiwan Province Province, which was colonized by Spain, Britain and Holland respectively, on March 23rd this year, Zheng Chenggong personally led 25,000 soldiers and hundreds of warships, set out from Luowan, Jinmen, passed through Penghu, and unexpectedly landed at Luermen and Heliao Port. First, the superior forces captured Chiqian City (now Tainan City), where the Dutch army was weak in defense, and then besieged the well-defended capital, Taiwan Province provincial capital (now Anping District, Tainan City). After nine months of bitter struggle, he defeated the Dutch in 1662 with the support of Han immigrants who helped his father cross the sea in his early years, forcing the colonial governor Bayi to sign a surrender letter on 1 February 13 (1February/6621day) in the same year. Overseas Chinese Protection 1647 65438+ 10. During his southward migration, Zheng Chenggong helped Ming people and Ming people to cross the sea and settle in Taiwan Province and Southeast Asia many times. During the anti-Qing period, Zheng Chenggong made great efforts to develop overseas trade in order to prepare for military pay. At that time, the Dutch often robbed Zheng He's overseas Chinese merchant ships. Water forces were sent to attack the Dutch fleet many times, and the Dutch were warned twice from 1656 to 1660 that Zheng would not trade with the Netherlands unless the Dutch stopped robbing China merchant ships. In addition, Zheng Chenggong asked China businessmen to accept the token of "Fu Zheng" and the banner of "Developing the Country" to help protect the safety of China people doing business overseas. At that time, many overseas Chinese businessmen did adopt this law and were able to go to sea safely for business.