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

First recorded sighting by Europeans by Spanish navigator Álvaro de Saavedra on board of ship Florida in between August and September of 1528. They were later visited by Spaniard Alonso de Arellano on 15 January 1565 on board of galleon patache San Lucas.
• 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.