Siege of Ba Sing Se (Earth-2213)

"You once laid siege to Ba Sing Se for 600 days, but it would not yield to you."

- Jiryu to Iroh

The Siege of Ba Sing Se was a six hundred-day assault by the Land of Fire on the Land of Earth city of Ba Sing Se during the last months of the Second Hundred Year War. It was one of the war's largest and most legendary battles.