Complex sentence: The Guy Fawkes mask is a stylised depiction of Guy Fawkes, the best-known member of the Gunpowder Plot, an attempt to blow up the House of Lords in London, on 5 November 1605, in order to restore a Catholic head of state.
Split into simpler sentences: The Guy Fawkes mask is a stylised depiction of Guy Fawkes, the best-known member of the Gunpowder Plot. The plot was an attempt to blow up the House of Lords in London on 5 November 1605, in order to restore a Catholic head of state.