For 10 points, name these uprisings, whose most effective example in Virginia was led in 1831 by Nat Turner.
One event of this type was named for the Stono River, and another was named for the German Coast. Another of these events failed after floods washed out the bridges leading into Richmond. Denmark Vesey and Gabriel (*) Prosser were two men who led this kind of event. The leader of another of these events dictated his "confession" from Southampton County Jail. For 10 points, name these uprisings, whose most effective example in Virginia was led in 1831 by Nat Turner.
One event of this type was named for the Stono River, and another was named for the German Coast.
slave {rebellions} [accept slave {revolts}, slave {uprisings}, or any other {clear} equivalents]