Note 1 — JOURNAL OF TRAVELS OVER THE ROCKY MOUNTAINS

Oregon Territory, which under the treaty of 1818 was held in joint occupation by the United States and Great Britain, had been brought into prominence by the presidential campaign of 1844, and the belligerent message of President Polk at his inauguration in March, 1845. Emigration thither for the year 1845 exceeded that of any previous season and consisted of nearly three thousand persons, largely from Missouri and the frontier states of the Old Northwest.—Ed.