Applegate, Jesse,1811–88, American pioneer in Oregon, b. Kentucky. With his family he moved (1821) to Missouri, and there in 1843 he joined the Great Migration of more than 900 people over the Oregon TrailOregon Trail,
overland emigrant route in the United States from the Missouri River to the Columbia River country (all of which was then called Oregon). The pioneers by wagon train did not, however, follow any single narrow route.
..... Click the link for more information. —a trek pictured in his Day with the Cow Column in 1843 (ed. by Joseph Schafer, 1934, pub. with Recollections of My Boyhood by Applegate's nephew). A leader on the westward journey, he was elected (1845) a member of the legislative committee of the provisional government that ruled Oregon until it became (1849) a U.S. territory. Later he helped organize the new government and, as surveyor general, did much exploring and opened a wagon route to California.