The battle of Chancellorsville was fought after the battle of Fredericksburg.
The midnight ride of Harriet Tubman
Two - the first at Freeman's Farm, on September 19, 1777; the second, three weeks later on October 7 at Bemis Heights.
Chancellorsville
One long continuous battle of merchant vessels trying to survive taking their cargos to Europe, from being sunk by enemy subs. This was the Battle of the Atlantic.