Native cultures developed and thrived in the Pacific Northwest for a long time:
Meanwhile, Europeans were beginning an era of exploration and global competition which would permanently change the world. European (and European-American) exploration of the Pacific Northwest began as early as the 1500s and continued into the 1800s.
Who was involved? Spain Russia England The United States
What did they want? Stuff Land Power New trade routes Control of trade routes Profit Control of the area
Who came when? This resource, from the Center for the Study of The Pacific Northwest, offers a clear outline of events: http://www.washington.edu/uwired/outreach/c spn/Website/Classroom%20Materials/Pacific %20Northwest%20History/Lessons/Lesson%2 03/3.html (you will likely want to take a close look at this next week)