Which 1863 document declared that "all persons held as slaves" within rebel states "shall be then, thenceforward, and forever free"?

In 1861, which state's secession prompted Jefferson Davis to leave the U.S. Senate? Complete the title of Ivan Turgenev's 1862 novel: "___ and Sons". In 1862, Lincoln removed which general as commander of the Army of the Potomac? The 1862 Second Battle of Bull Run was part of which war? Which author wrote the 1863 novel "Five Weeks in a Balloon"? Which Irish poet lived from 1865 to 1939? In 1865, Robert E. Lee surrendered at which Virginia site? Which Union general led the 1865 march through the Carolinas after his "March to the Sea"?