I think that Shakespeare made Hamlet interesting to the 17th century viewers by telling about things that they believed but never experienced. From the beginning the ghost of the king that died less than two months ago appears.
Marcellus, Bernardo and Horatio guarding the castle in the night time
And the ghost appeared.
Marcellus: Peace, break thee off. Look where it comes again!
Bernardo: In the same figure like the King that’s dead.…
