Once the Lichtenstein army went to Italy with 80 men and came back with 81.

The English government exhumed Oliver Cromwell three years after his death so they could put him on trial for treason and then execute his corpse.

In the scene in Lord of the Rings where Aragorn, Legolas, and Gimli find the burning pile of orc corpses, the actor who played Aragorn actually broke his toe kicking an orc helmet.

The Nazgul scream is actually the director's wife screaming with a sore throat, combined with the sounds of various farm animals.