Crater Lake National Park opened in 1902. (Oregon State Archives Scenic Image 20151021-8570) Crater Lake National Park opensCongress passes Federal Reclamation ActVoters amend Constitution for Initiative and Referendum, allowing citizens to propose new laws and constitutional amendments
Heppner Flood kills 225 peopleFirst Voters' Pamphlet published
Direct primary law passesFirst African-American, George Hardin, named officer in Portland Police Bureau
Lewis & Clark Centennial Exposition commemorates the 100th anniversary of the Lewis and Clark ExpositionKlamath Irrigation Project commencesOregon land fraud trials pursue wrongdoers
City home rule law approved allowing extensive city lawmaking authorityIndictment by grand jury law approvedTaxes begin on telephone, telegraph and railroadsFirst meeting of Association of Oregon Counties
President Theodore Roosevelt creates "Midnight Reserves" setting aside millions of acres of national forests
Constitution amended for Recall provisionFirst woman, Lola Baldwin, named head of Women's Division, Portland Police
State's Central Fish Hatchery opens at BonnevilleOregon Caves National Monument createdPendleton Round-Up beginsCongress passes Enlarged Homestead Act
U.S. Census enumerates 672,765 residentsThree-fourths verdict in civil cases approvedEmployers' Liability Act approved
Construction began on the Columbia River Gorge Highway in 1911. (Oregon State Archives Image) Columbia River Gorge Highway construction beginsFirst U.S. primary elections held in OregonOregon Trunk Railroad completes line to Bend
Women's suffrage approvedProhibition of private convict labor approvedEight-hour day on public works approvedFirst U.S. minimum wage law approved
Oregon Highway Commission establishedPresidential preference primary law approvedGovernor Oswald West declares beaches open to public
Death penalty abolishedProhibition approvedEight-hour day approved for womenCongress revests O & C Railroad land grantLegislature requires publication of Oregon Blue Book
Workmen complete Celilo Locks and CanalCongress passes Stock-Raising Homestead Act
University of Oregon football team beats Pennsylvania to win the third Rose Bowl gameU.S. Army Spruce Production Division begins logging
Influenza pandemic kills hundredsEmergency Fleet Corporation contracts for ships An Army war enlistment poster from World War I. Learn more in the Oregon at War Web exhibit. Oregonians enlist to serve in World War I
First gasoline tax in U.S. authorized to fund highwaysCongress revests Coos Bay Wagon Road land grant
Death penalty reinstatedOregon League of Women Voters foundedU.S. Census enumerates 783,389 residents
Ku Klux Klan organizes chapters
First state park opened by Oregon Highway Commission south of Monmouth, named for Sarah HelmickCompulsory School Act approved outlawing private and parochial schools and requiring children aged 8 to 18 to attend public schoolFirst African-American woman, Beatrice Cannady, graduates from Lewis & Clark Law SchoolJapanese American Citizens' League founded
Alien Land Law approved preventing first generation Japanese Americans from owning or leasing landAlien Business Restriction Law approved denying business licenses to first generation Japanese AmericansProhibition of sectarian garb in schools approvedAlien Business Restriction Law approved
Compulsory School Act held unconstitutionalCongress extends citizenship to Native AmericansClarke-McNary Act aids federal-state forest fire protection
State parks and waysides authorizedLeague of Oregon Cities founded
Fishwheels abolishedAstor Column completedExclusion of African-Americans clause removed from Constitution
State Park Commission created
An irrigation ditch near Vale. (Oregon State Archives Scenic Image 20170731-8728) Vale Irrigation Project begins water deliveryU.S. Census enumerates 953,786 residentsFirst woman, Mary Jane Spurlin, appointed judge in Oregon to Multnomah County District Court
Tillamook Burn destroys 240,000 acres of forestCivilian Conservation Corps and Works Projects Administration start projects
First grazing district under Taylor Grazing Act forms at Bonanza
Congress authorizes Bonneville DamFire destroys State Capitol
Bandon Fire destroys town, 11 residents dieWork completed on five major bridges on Highway 101First woman, Nan Wood Honeyman, elected from Oregon to U.S. House of Representatives
President Franklin D. Roosevelt dedicates Timberline Lodge and Bonneville DamGas chamber built for capital punishmentsOregon Shakespeare Festival forms in AshlandCongress creates Bonneville Power AdministrationBankhead-Jones Act authorizes buy out of homesteaders
544 Report for Willamette flood control approvedBonneville Dam completed
University of Oregon wins first NCAA Men’s Basketball ChampionshipTillamook Burn destroys 190,000 acres of forestState capitol completed in Salem
U.S. Census enumerates 1,089,684 residents
Oregonians enlist to serve in World War II
Learn more in the Life on the Home Front Web exhibit about World War II. Executive Order 9066 authorizes removal of Japanese-Americans to internment campsJapanese submarine shells Fort StevensSiskiyou National Forest firebombed by JapaneseU.S. Army builds Camp Adair and Camp AbbotU.S. Navy builds Tillamook and Tongue Point Naval Air StationsVanport founded to house wartime workers
Six Oregonians die in explosion of Japanese incendiary balloonTillamook Burn destroys 180,000 acres of forestSupplement to 1923 Alien Land Law passes
Portland State University (PSU) foundedRural School Law encourages consolidation of districts
Plane crash kills Governor Snell, Secretary of State Farrell, and others
Columbia River Flood destroys Vanport in hoursVollum and Murdock found Tektronix
State Department of Forestry begins replanting Tillamook BurnFair Labor Practices Commission establishedState Supreme Court invalidates 1923 and 1945 Alien Land actsFirst woman, Dorothy McCullough Lee, elected Portland mayor
U.S. Census enumerates 1,521,341 residents