Divisons of the North and South By nissakaminski Period: Nov 1, 1808 to Nov 2, 1850 Divisons of the North and South Nov 2, 1808 Congress Bans Importion of slaves Nov 1, 1820 Slaves reached 1.5 MILLION! Nov 1, 1832 Chloera Epidemic Nov 2, 1834 National Trade Union is Formed Nov 2, 1850 Slave Population Reaches 3.2 MILLION