Misc: Casper the Friendly Ghost frolicked with which witch?

Questions

At which battle did General James Scarlett lead the Charge of the heavy Brigade?

What writing implement was invented by John T. Loud in 1888?

The word "Hellas" appears on the stamps of which country?

Which John Updike novel features three divorcees on the make who are seduced by the devil?

Which 1956 film about the pocket battleship Graf Spec starred John Gregson?