Arrange the following events in chronological order :
(i) Disintegration of the ** Union
(ii) Hegira Era
(iii) Origin of the Earth
(iv) Unification of Italy
(v) The first Olympic Games
(i) Origin of Earth
(ii) The first Olympic Games
(iii) Hegira Era
(iv) Unifications of Italy
(v) Disintegration of the ** Union