a Royalist foe who died 350 years ago, to ensure the existence of a non-monarchist controlled Parliament

Pah! And your Cromwellian rabble lasted how long before the House of Stuart had to come back and sort the mess out? Eleven years! Central American countries have had stronger regimes than that!

Face it, you Roundheads may have won the war but you lost the battle...

The one thing worst than a hereditary autocratic monarchy, turned out to be a hereditary autocratic monarchy which didn't even admit to being one...

Peter