Oregon Sources Oregon Territory 1843-1859 Territory of Oregon (Provisional Government 1843-1849, United States territory 1849-1859) Polity Style: 1843-1859 Executive Committee: 1843-1845 Governors: 1845-1859 Oregon 1859-2026 State of Oregon Polity Style: 1859-2026 Governors: 1859-1866
