 Since 1990, Boise and Gernika have been sister cities.Idaho achieved statehood in 1890 along with the first Basques arriving there around the same time.By 1912, some of the pioneers, such as Jose Navarro, John Achabal, Jose Bengoechea, Benito Arregui, John Echebarria, and Juan Yribar, were already settled and had property in the state.