American Civil War · TURNING POINT · 1846

Oregon Treaty (1846)

On the American Civil War map as “The Oregon Treaty”

15 Jun 1846 — Britain and the United States settle their competing claims to the jointly occupied Oregon Country by dividing it at the 49th parallel. Fort Vancouver, a Hudson’s Bay Company post, falls on the American side. In the same weeks that Polk accepted a compromise in the north, he went to war in the south.

When

15 Jun 1846

Type

Turning point

Chapter

Mexican–American War (chapter 1 of American Civil War)

Atlas

The American Civil War, 1840–1877

In the same chapter

Related

• Map of North America in July 1848 THE MAP FOR THIS DATE
• Was the Mexican–American War fought for slavery? THE DISCUSSION QUESTION, ANSWERED
• On this day: 15 June
• Battle of Mexico City PREVIOUS
• Wilmot Proviso NEXT
• American Civil War: every battle and event on the map