Nicknamed "the Gem State", Idaho entered into Statehood on July 3, 1890. The Capital of Idaho is Boise, and the State motto is esto perpetua, which means it is forever. The slogan on Idaho license plates are "famous potatoes". The Idaho State flower is syringa (1931). The Idaho State tree is the white pine (1935). The Idaho State bird is the mountain bluebird (1931). The Idaho State horse is the Appaloosa (1975). The Idaho State gem is the star garnet (1967). The Idaho State song is “Here We Have Idaho”. The Idaho State folk dance is the square dance. The Idaho State fish is the cutthroat trout (1990). The Idaho State fossil is the Hagerman horse fossil (1988).