Who does Hamlet appoint to tell his story the world?

Hamlet appoints Horatio to tell his story to the world.

This happens in Act V, Scene 2, after Hamlet has been fatally poisoned and just before he dies. He asks Horatio to:

> "Report me and my cause aright / To the unsatisfied."

This request underscores the importance of truth and justice, as Hamlet wants his story to be told accurately, even after his death.