Battle of Five ArmiesBattle of Five Armies (2941 T.A.) - The conflict that resulted from the death of Smaug, as five different groups all expected to get a share of the treasure of Erebor.

 

"So began the battle that none had expected; and it was called the Battle of Five Armies, and it was very terrible.  Upon the one side were the Goblins and the Wild Wolves, and upon the other were Elves and Men and Dwarves."  ~The Hobbit, chap. XVII (The Clouds Burst)