'island that illuminates'; Foochow Romanized: Liông-dō̤, originally 橫山, Lang Tao 浪島[1][11]) is an island located in the East China Sea in Beigan Township, Lienchiang County (the Matsu Islands), Fujian Province, Republic of China (Taiwan).

[17][18] Before dawn on July 15, 1951, Anti-Communist forces planted the flag of the ROC on the highest point of the island.

From this, Ko et al. infer that Haplogroup E arose 8,000 to 11,000 years ago on the north Fujian coast, traveled to Taiwan with Neolithic settlers 6,000 years ago, and thence spread to Maritime Southeast Asia with the Austronesian language dispersal.

[22] Soares et al. caution against over-emphasizing a single sample, and maintain that a constant molecular clock implies the earlier date (and more southerly origin) remains more likely.

[24] At 8 AM on August 16, 2019, the four man crew of a Chinese fishing ship was arrested in the waters off Liang Island.