 On the morning of September 9, 2005, President Chen Shui-bian visited Gaodeng Island and other nearby islands.In April 2019, a Beigan-registered fishing boat reported that it was attacked and chased off by numerous Chinese boats in Taiwan-controlled waters between Gaodeng and Zhongdao () on the afternoon of April 17.The next day, a Taiwan (ROC) Coast Guard vessel was pelted with rocks by the crew of a Chinese ship off the coast of the Matsu Islands.