Puneet Varma (Editor)I am a dreamer who dreams of a world full of good people helping eachotherTerritorial evolution of IdahoUpdated on Dec 30, 2024EditLikeCommentShareShare on FacebookTweet on TwitterShare on LinkedInShare on RedditSign inThe following timeline traces the territorial evolution of the U.S. State of Idaho.TimelineHistorical territorial claims of Spain in the present State of Idaho:Gran Cuenca, 1776–1821Adams-Onis Treaty of 1819Historical international territory in the present State of Idaho:Oregon Country, 1818–1846Anglo-American Convention of 1818Provisional Government of Oregon (extralegal), 1843–1849Oregon Treaty of 1846Historial political divisions of the United States in the present State of Idaho:Unorganized territory created by the Oregon Treaty, 1846–1848Territory of Oregon, 1848–1859State of Deseret (extralegal), 1849–1850Territory of Washington, 1853–1889Territory of Idaho, 1863-1890State of Idaho since 1890More Alchetron TopicsReferencesTerritorial evolution of Idaho Wikipedia (Text) CC BY-SASimilar Topics