The 1859 California gubernatorial election was held on September 7, 1859 to elect the governor of California. Since the beginning of the 1850s, issues regarding slavery had effectively split the state Democratic Party. Initially divided by pro-slavery Chivalrists and anti-slavery Free Soilers, by 1857, the party had split into the Lecompton and Anti-Lecompton factions. Lecompton members supported the Kansas Lecompton Constitution, a document explicitly allowing slavery into the territory, while Anti-Lecompton faction members were in opposition to slavery's expansion. The violence between supporting and opposition forces led to the period known as Bleeding Kansas. Splits in the Democratic Party, as well as the power vacuum created by the collapse of the Whig Party, helped facilitate the ris