Not necessarily. It's possible to learn from mistakes and avoid repeating them.
Yes it is
Certainly,history is a circle.Many things happened again and again.A country disappeared and another one showed on the stage of history.The law is controlling everything.Maybe it is the reason why we study history.
Every event happens again and again? I don't know =P I'm too lowly on the god chain to know the answer
Of course, no one ever learns from past mistakes
Yes, in some way.