14 Aug 1848—14 Feb 1859: Oregon Territory Oregon Territorial Government
2
1859
14 Feb 1859: OR State Formed Oregon accepted into the United States of America
3
1861
12 Apr 1861—10 May 1865: United States Civil War War between the Federal Government and the secessionist southern states.
4
1914
28 Jul 1914—11 Nov 1918: World War One World War fought in Europe
5
1917
6 Apr 1917: U.S. Enters WWI United States declares war on the Central Powers (Germany, Austria-Hungry)
6
1939
1 Sep 1939—2 Sep 1945: World War Two war fought on a global scale between the Axis Powers (Germany, Italy, Japan) and the Allied nations (U.S., France, Great Britain)
7
1941
7 Dec 1941: Attack on Pearl Harbor Japan attacks U.S. Pacific Fleet at Pearl Harbor Hawaii. United States declares war on Japan and Germany.
1926 - 1994 (67 years)