The claim to Great Britain and the United States has been made by various groups and individuals throughout history, but if you're referring to colonial claims, both territories were primarily established by European powers, with Great Britain being a prominent colonial force. The United States emerged from thirteen British colonies that declared independence in 1776. In a broader context, various indigenous peoples and nations have also claimed these lands long before European colonization.
Oregon
Great Britain and the United States both wanted the northwest area that is now Oregon and Washington state. President Polk told Great Britain "54'40" or Fight." There was no fight, there was a compromise.
Great Britian, Russia, Spain, and the United States all claimed Oregon Country
First the Portuguese, then the Dutch, the Great Britain.
Russia,France,Great Brittian,and the United States
Oregon
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Three countris had the claims: France, Spain, and Great Britain.
James Cook claimed Australia for Great Britain.
I think that it was claimed by both the French and the English ( Great Britain).
Great Britain and the United States both wanted the northwest area that is now Oregon and Washington state. President Polk told Great Britain "54'40" or Fight." There was no fight, there was a compromise.
Great Britian, Russia, Spain, and the United States all claimed Oregon Country
The Louisiana Purchase
Ohio *~Bianca~*
The United States, Great Britain, Spain, and Russia claimed the Oregon territory, in other words, the Oregon Country.
France and later Great Britain
oregon country