Oregon Oregon State Government Oregon’s origin is less clear, although some scholars point to Algonquin as the source. Capital: Salem Largest Cities: Altamont, Ashland, Astoria, Beaverton, Bend, Canyonville, Coos Bay, Corvallis, Eugene, Gresham, La Grand, Mt. Hood, Ontario, Portland, Prairie City Present Constitution Drafted: 1859 Entered Union: February 14, 1859 (35) Motto: “She flies with her own wings” State Flower: Oregon Grape State Tree: Douglas Fir State Bird: Western Meadowlark State Dog: Not Specified State Insect: Oregon Swallowtail Butterfly State Song: “Oregon, My Oregon” Nickname: Beaver State