In October 1849, the first California Constitution Convention was held. One of the most heated debates of the Convention was on the status of slavery in the new state. While some Southerners who had come to California were staunchly in favor of giving official sanction to slavery in California, Northern abolitionists and White-American miners (who did not want competition from the slave-holders in the gold fields) were well represented within the ranks of the convention. The chairman of the convention, William Gwin, was himself a slaveholder from Tennessee. Gwin, however, was much more interested in gaining control of the California Democratic Party than he was in favoring either side of the debate. To the later chagrin of his fellow Southern members of Congress, he did not write the institution of slavery into the 1849 Constitution. The Compromise of 1850 later permitted California to be admitted to the Union as a free state. Gwin and war hero/abolitionist John C. Frémont became California's first Senators.