Idaho was the 43rd state in the USA; it became a state on July 3, 1890. - State Capital is Boise. - Nickname is the Gem State. - Idaho's official flag was adopted in 1907. The flag is deep blue with the state seal in the center surrounded by a yellow band. The seal pictures a man (a miner carrying a pick and wielding a shovel) and a woman (carrying the scales of justice, symbolizing liberty and justice), the motto "ESTO PERPETUA" (meaning "May it endure forever"), two full, yellow cornucopias, an elk head atop a shield (picturing a river, settlers, a fir tree, and mountainous land), a sheaf of grain, green grass, and a blue sky. The flag is surrounded by a yellow fringe on three sides. The state seal was designed by Emma Edwards Green.