Nickname: Where America's Day Begins. Capital City: Hagatna Statehood: Became a territory on August 1, 1950. Population: 160,595 Area: 125.5 km. Highest Point: Mt. Lamlam 1,334 ft. Bird: Marianas Rose Crown Fruit Dove Flower: Bougailvillea spectabilis Tree: Intsia Song: Guam Hymn (Stand Ye Guamanians)