Summary

Nellie B. Pipes Oregon Historical Quarterly/Volume 27… (1926)

Warre and Vavasour were British officers sent on a secret mission by their Government to "obtain a general knowledge of the capabilities of the Oregon territory in a military point of view, in order that we may be enabled to act immediately and with effect in defense of our rights in that quarter, should those rights be infringed by any hostile aggression or encroachment on the part of the United States.'"
Wilkes, Charles. Report on the Territory of Oregon, 1842. Vol. 12, pages 269-299. Sept. 1911.
Source: Wikisource

Nellie B. Pipes Oregon Historical Quarterly/Volume 27… (1926)

The basis of this article is the information gathered by the writer by an examination of several hundred volumes in the British Public Record office dating from 1790 to 1867. One point in the British contention relating to the restoration of Astoria was that as they had never recognized the right of the United States to the territory, the capture was not a capture of conquest, but a reassertion of His Majesty's claims and therefore did not come within the provision of the first article of the Treaty of Ghent, which provided for the restitution of all places captured by either side.
Source: Wikisource

Nellie B. Pipes Oregon Historical Quarterly/Volume 27… (1926)

Elliott, T. C.⁠ Surrender at Astoria in 1818. Vol. 19, pages 271-282. Dec. 1918.
J. B. Prevost's report of the surrender of Astoria by the British. After leaving the Ontario Prevost joined Hiş Majesty's sloop of war Blossom and proceeded to the Columbia in company with Captain Hickey, who was on his way to carry out the orders of the British government for surrendering the post. On the 6th of October the British flag was hauled down and that of the United States raised in its stead.
Elliott, T. C.⁠ Northern Boundary of Oregon. Vol. 20, pages 25-34. March, 1919.
Source: Wikisource

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