The first day ceremony for the sesquicentennial of the Oregon Trail (Scott #2747) was originally to be held on February 14th, 1993, in Oregon City, OR, the terminus of the trail. A month before the ceremony, the USPS changed it to Salem, OR. The backlash resulted in 39 cities along the Oregon Trail being designated as official first-day-of-issue cities. Who has them all?

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	Oregon	Idaho	Nebraska	Washington	Wyoming	Kansas	Missouri
Original Cities	Oregon City, Salem
Added on Jan. 21, 1993		American Falls, Boise, Fort Hall, Glenn’s Ferry, Pocatello, Soda Springs, Twin Falls	Hastings, Kearney, North Platte, Ogallala, Scotts Bluff		Casper, fort Briger, Fort Laramie, Independence Rock, South Pass City	Blue Rapids, Kansas City, Lawrence, Topeka	Independence, Kansas City, Westport
Added on Feb. 1, 1993	Baker City, Condon, Heppner, LaGrande, Moro, North Powder, Pendleton, Sandy, The Dalles, Vale			Vancouver, Walla Walla
Added on Feb 11, 1993			Gering