Unit 8 By MaribelAponte Mar 20, 1852 Harriet Beecher Stowe publishes Uncle Tom's Cabin. Mar 6, 1857 Dred Scott decision. Jul 16, 1861 First Battle of Bull Run. Nov 8, 1861 Trent Affair May 20, 1862 Homestead Act. Apr 15, 1865 Lincoln assassination.