The Gordian Knot of history was a complicated Turk's Head, tied with the bark of the Cornel Tree. Over time, the bark shrank and hardened, making it impossible to untie. Many tried, and ALL failed....
Nobody knows how the Gordian Knot was tied, so it is not possible now to say if it was solvable.
The elgend says that many intelligent people tried and failed, but that Alexander 'solved' it by...