the chorna rada of 1663 () was a cossack rada meeting on 17–18 june, 1663 near nizhyn, ukraine, where thousands of common cossacks, zaporozhians, ukrainian peasants, including the cossack starshyna, where assembled to elect a new hetman of left-bank ukraine. the main candidates were acting hetman yakym somko, nizhyn colonel vasyl zolotarenko, and koshovyi otaman ivan briukhovetsky.