PNW Timeline Project By timetoastisyummy Nov 15, 1577 Sir Francis Drake Jun 15, 1800 Oregon Trail Nov 13, 1804 Lewis and Clark Expedition 1804-1806 Jun 15, 1846 Treaty of Oregon Dec 26, 1854 Isaac Stevens/ Medicine Creek Treaty Jun 15, 1859 Pig War Mar 3, 1871 Chief Joseph Jun 6, 1889 Great Seattle Fire Nov 11, 1919 Centralia Massacre Jun 15, 1933 Grand Coulee Dam 1933-1975 Apr 4, 1975 Bill Gates/Microsoft Sep 3, 1976 Dixie Lee Ray
