In 1841, the Bidwell-Bartleson party became the first emigrant wagon train to attempt an overland migration to California. Comprised of 69 men, women, and children, the group set out from Missouri, following a route that would later become the California Trail. The journey was arduous, with the party facing a lack of supplies, difficult terrain, and conflicts with Native Americans. Though they eventually reached California, the trek was a struggle for survival, establishing a difficult and dangerous precedent for the thousands who would follow.

The story of the Bidwell-Bartleson party is a foundational tale in the literature of the American West, marking the beginning of large-scale overland emigration to California. The diaries and accounts of the journey, such as that of John Bidwell, provide primary source material for later historical narratives and works of fiction. The party's journey has been celebrated in regional poetry and historical literature, embodying the spirit of adventure and the perils of the frontier.