Chuuk Lagoon, Chuuk State, Federated States Of Micronesia, Pacific Ocean

• Colonialism
As part of the colonial territory of the Caroline Islands, Truk was part of the Spanish Empire. The Caroline Islands control were sold to the German Empire in 1899. It became a possession of the Japanese Empire under a mandate from the League of Nations following Germany's defeat in World War I.
• World War II
During World War II, Truk Lagoon was the Empire of Japan's main base in the South Pacific theatre. Truk was a heavily fortified base for Japanese operations against Allied forces in New Guinea and the Solomon Islands, serving as the forward anchorage for the Japanese Imperial Fleet.