slavery timeline By co_james748 May 21, 1819 Missouri Compromise Agreement proposed in 1819 by Henry Clay, to keep the number of slave and free states equal it keeped slavery going Period: Jan 1, 1820 to Nov 12, 1860 slavery May 22, 1848 the free-soil party May 22, 1850 compromise of 1850 May 22, 1854 Kansas-Nabraska Act May 22, 1856 Bleeding Kansas
