Crater Lake National Park opens

Congress passes Federal Reclamation Act

Voters amend Constitution for Initiative and Referendum, allowing citizens to propose new laws and constitutional amendments

Heppner Flood kills 225 people

First Voters' Pamphlet published

Direct primary law passes

First African-American, George Hardin, named officer in Portland Police Bureau

Lewis & Clark Centennial Exposition commemorates the 100th anniversary of the Lewis and Clark Exposition

Klamath Irrigation Project commences

Oregon land fraud trials pursue wrongdoers

City home rule law approved allowing extensive city lawmaking authority

Indictment by grand jury law approved

Taxes begin on telephone, telegraph and railroads

First meeting of Association of Oregon Counties

President Theodore Roosevelt creates "Midnight Reserves" setting aside millions of acres of national forests

Constitution amended for Recall provision

First woman, Lola Baldwin, named head of Women's Division, Portland Police

State's Central Fish Hatchery opens at Bonneville

Oregon Caves National Monument created

Pendleton Round-Up begins

Congress passes Enlarged Homestead Act

U.S. Census enumerates 672,765 residents

Three-fourths verdict in civil cases approved

Employers' Liability Act approved

Columbia River Gorge Highway construction begins

First U.S. primary elections held in Oregon

Oregon Trunk Railroad completes line to Bend

Women's suffrage approved

Prohibition of private convict labor approved

Eight-hour day on public works approved

First U.S. minimum wage law approved

Oregon Highway Commission established

Presidential preference primary law approved

Governor Oswald West declares beaches open to public

Death penalty abolished

Prohibition approved

Eight-hour day approved for women

Congress revests O & C Railroad land grant

Legislature requires publication of Oregon Blue Book

Workmen complete Celilo Locks and Canal

Congress passes Stock-Raising Homestead Act

University of Oregon football team beats Pennsylvania to win the third Rose Bowl game

U.S. Army Spruce Production Division begins logging

Influenza pandemic kills hundreds

Emergency Fleet Corporation contracts for ships

Oregonians enlist to serve in World War I

First gasoline tax in U.S. authorized to fund highways

Congress revests Coos Bay Wagon Road land grant

Death penalty reinstated

Oregon League of Women Voters founded

U.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 Helmick

Compulsory School Act approved outlawing private and parochial schools and requiring children aged 8 to 18 to attend public school

First African-American woman, Beatrice Cannady, graduates from Lewis & Clark Law School

Japanese American Citizens' League founded

Alien Land Law approved preventing first generation Japanese Americans from owning or leasing land

Alien Business Restriction Law approved denying business licenses to first generation Japanese Americans

Prohibition of sectarian garb in schools approved

Alien Business Restriction Law approved

Compulsory School Act held unconstitutional

Congress extends citizenship to Native Americans

Clarke-McNary Act aids federal-state forest fire protection

State parks and waysides authorized

League of Oregon Cities founded

Fishwheels abolished

Astor Column completed

Exclusion of African-Americans clause removed from Constitution

State Park Commission created

Vale Irrigation Project begins water delivery

U.S. Census enumerates 953,786 residents

First woman, Mary Jane Spurlin, appointed judge in Oregon to Multnomah County District Court

Tillamook Burn destroys 240,000 acres of forest

Civilian Conservation Corps and Works Projects Administration start projects

First grazing district under Taylor Grazing Act forms at Bonanza

Congress authorizes Bonneville Dam

Fire destroys State Capitol

Bandon Fire destroys town, 11 residents die

Work completed on five major bridges on Highway 101

First woman, Nan Wood Honeyman, elected from Oregon to U.S. House of Representatives

President Franklin D. Roosevelt dedicates Timberline Lodge and Bonneville Dam

Gas chamber built for capital punishments

Oregon Shakespeare Festival forms in Ashland

Congress creates Bonneville Power Administration

Bankhead-Jones Act authorizes buy out of homesteaders

544 Report for Willamette flood control approved

Bonneville Dam completed

University of Oregon wins first NCAA Men’s Basketball Championship

Tillamook Burn destroys 190,000 acres of forest

State capitol completed in Salem

U.S. Census enumerates 1,089,684 residents

Oregonians enlist to serve in World War II

Executive Order 9066 authorizes removal of Japanese-Americans to internment camps

Japanese submarine shells Fort Stevens

Siskiyou National Forest firebombed by Japanese

U.S. Army builds Camp Adair and Camp Abbot

U.S. Navy builds Tillamook and Tongue Point Naval Air Stations

Vanport founded to house wartime workers

Six Oregonians die in explosion of Japanese incendiary balloon

Tillamook Burn destroys 180,000 acres of forest

Supplement to 1923 Alien Land Law passes

Portland State University (PSU) founded

Rural School Law encourages consolidation of districts

Plane crash kills Governor Snell, Secretary of State Farrell, and others

Columbia River Flood destroys Vanport in hours

Vollum and Murdock found Tektronix

State Department of Forestry begins replanting Tillamook Burn

Fair Labor Practices Commission established

State Supreme Court invalidates 1923 and 1945 Alien Land acts

First woman, Dorothy McCullough Lee, elected Portland mayor

U.S. Census enumerates 1,521,341 residents