'Island of Boldness[6]', originally 大擔島[12]) is an island in Lieyu Township, Kinmen County, Fujian Province, Republic of China (Taiwan).
[14] In March 1853, HMS Rattler struck a sunken rock at Amoy, China and was severely damaged.
[15] Since 1949, Dadan Island has several times become the battlefront of conflicts between the People's Liberation Army and the Republic of China Armed Forces.
[17] On May 9–10, 2002, President Chen Shui-bian visited Dadan (Tatan) and delivered remarks concerning Cross-Strait relations.
[2]: 8–9 [6] On 30 June 2014, the control of the island and surrounding islets was handed over from the Republic of China Armed Forces to the civilian under the Coast Guard Administration of Kinmen County Government.
[18][19][20] From 26 July until 31 October 2018, the island was opened to the public on trial basis which attracted 3,000 people in total.