This Day in History

On July 3, 1890, Idaho was admitted to the Union as the 43rd state of the United States. The state’s admission marked a period of rapid growth and development in the American West, characterized by mining, agriculture, and the expansion of the railroads. Idaho’s statehood is a celebration of its rich resources and diverse landscapes, from sprawling plains to rugged mountains, which have played a significant role in the state’s economy and cultural identity.