Rosalia was the site of an 1858 battle between United States troops, including Nez Perce allies, under Col. Steptoe and the Coeur d'Alene.
Rosalia was founded in 1870 by T.J. Favorite, who named it for his wife.
Rosalia was officially incorporated on March 23, 1894.
As the gateway to the Palouse, the town of Rosalia is poised for business growth/development and tourism.
As the years' progress and the city continues to grow, the future of Rosalia is bright and promising.