How long did it take to extinguish all the flames from the 9/11 attacks on ground zero?

It took about 100 days to extinguish the flames from the 9/11 attacks on ground zero.
9/11 was a tragic moment in American history as well as in the entire world when two planes crashed into twin towers killing many good people. The intensity of the crash can be estimated by the duration of time it took to kill the fire on ground zero.

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

uncle sam would be tossing and turning in his grave : *)