The Oregon Encyclopedia

The Oregon Encyclopedia, a partnership of Portland State University, the Oregon Council of Teachers of English, and the Oregon Historical Society, and a project of the Oregon Sesquicentennial Celebration, is a comprehensive and authoritative compendium of information about Oregon's history and culture. The Encyclopedia grows each week to include:


  • Hundreds of entries and essays on Oregon subjects
  • Coverage of significant people, events, places, institutions, and more, from 10,000 years ago to the present
  • Essays and entries on ethnic groups and communities throughout Oregon's history
  • Entries on art, architecture, literature, performing arts, music, and popular culture
  • Hundreds of images, documents, and maps
  • Essays that add new perspective to issues and events
  • Special sections for teachers and students