• History of Oregon by period‎ (4 C, 1 P)
• Pre-statehood history of Oregon‎ (10 C, 38 P)
• Histories of cities in Oregon‎ (3 C)

A

• African-American history of Oregon‎ (4 C, 105 P)

C

• Oregon in the American Civil War‎ (3 C, 14 P)
• History of colleges and universities in Oregon‎ (1 P)
• Criminals from Oregon‎ (4 C, 17 P)

D

• Defunct companies based in Oregon‎ (14 C, 67 P)
• Disasters in Oregon‎ (4 C, 7 P)

E

• Electoral history of politicians from Oregon‎ (1 P)

F

• Former buildings and structures in Oregon‎ (12 C, 2 P)
• Former municipalities in Oregon‎ (1 C)
• Former populated places in Oregon‎ (2 C, 20 P)

H

• Historians of Oregon‎ (5 P)
• Historic sites in Oregon‎ (10 C)
• Historical societies in Oregon‎ (1 C, 4 P)
• History museums in Oregon‎ (5 C, 25 P)
• History of transportation in Oregon‎ (5 C, 54 P)
• History of women in Oregon‎ (2 C, 24 P)

I

• Industrial Workers of the World in Oregon‎ (6 P)

L

• Labor disputes in Oregon‎ (10 P)
• Labor relations in Oregon‎ (5 C, 3 P)
• Legal history of Oregon‎ (17 P)
• LGBT history in Oregon‎ (1 C, 13 P)
• Lynching deaths in Oregon‎ (2 P)

M

• Defunct mass media in Oregon‎ (1 C, 70 P)
• Military history of Oregon‎ (1 C, 11 P)
• Monuments and memorials in Oregon‎ (8 C, 14 P)

N

• Native American history of Oregon‎ (13 C, 59 P)

O

• Oregon City Transportation Company‎ (6 P)
• Oregon folklore‎ (1 C, 1 P)
• Defunct organizations based in Oregon‎ (4 C, 3 P)

P

• Political history of Oregon‎ (4 C)

R

• History of racism in Oregon‎ (5 C, 10 P)
• Riots and civil disorder in Oregon‎ (1 C, 6 P)

S

• Scandals in Oregon‎ (8 P)

W

• Wars involving the indigenous peoples of North America in Oregon‎ (5 C, 6 P)

• History of Oregon

0–9

• 1922 Astoria, Oregon fire

A

• Alcoholic beverages in Oregon
• Armstrong Nugget

B

• Disappearance of Jeremy Bright

C

• Champoeg Meetings
• SS Charles L. Wheeler Jr.
• Chinese Flying Club of Portland
• Coast Indian Reservation
• Colegio Cesar Chavez
• Crime in Oregon

D

• Direct Legislation League

E

• Electoral history of Wayne Morse

F

• Bombardment of Fort Stevens
• French Settlement, Oregon

H

• Ing Hay
• History of Oregon wine
• History of the Japanese in Portland, Oregon
• List of homicides in Oregon

I

• Miyo Iwakoshi

J

• Jefferson (proposed Pacific state)
• Journalism in Oregon

K

• King & Winge (fishing schooner)
• Klamath Lake massacre
• Ku Klux Klan in Oregon

L

• Lava Lake murders
• Lookout Air Raids
• Lost Blue Bucket Mine

M

• Martial law in Copperfield, Oregon
• Martin family disappearance
• McMinnville UFO photographs
• Monticello Convention
• 2004–2008 volcanic activity of Mount St. Helens

O

• Bibliography of Oregon history
• Oregon Bill of 1848
• Oregon black exclusion laws
• Oregon Centennial
• Oregon Centennial Tokens
• The Oregon Desert
• Oregon Historical Society
• Oregon land fraud scandal
• Oregon Pioneer Association
• Oregon Rifles
• Oregon tax revolt
• Oregon Territory
• Oregon Trail
• List of Oregon's Most Endangered Places

P

• Postal history of Oregon

R

• Railroad Wars

S

• James D. Saules
• Skinner Butte Cross controversy
• Socialist Party of Oregon

T

• USRC Thomas Corwin
• Timeline of Oregon history
• Tumalo Irrigation Project

U

• Umpqua County, Oregon

V

• Vortex I

W

• Western Oregon Indian Termination Act
• Oregon World War II Army Airfields

Y

• List of years in Oregon