Japanese occupation of Guam
The Japanese occupation of Guam was the period in the history of Guam between 1941 and 1944 when Imperial Japanese forces occupied Guam during World War II. The island was renamed Ōmiya-Jima ('Great Shrine Island'). == Events leading to the occupation == The Battle of Guam in 1941 was an engagement during the Pacific War in World War II that took place on December 8, 1941, on Guam in the Mariana Islands between the Japanese and Allied forces.
Source: Wikipedia — Japanese occupation of Guam (CC BY-SA 4.0)