How Oliver Cromwell Got Executed Several Years After His Death

Cromwell at the Battle of Marston Moor, 2 July 1644. The Parliamentarians under Thomas Fairfax defeated the Royalists at this battle in Yorkshire. Cromwell (1599-1658) commanded the Parliamentarian cavalry that defeated the previously invincible Royalist cavalry of Prince Rupert. Marston Moor was a turning point in the English Civil War as it effectively lost the Royalists the north of England. Illustration from Harper's New Monthly Magazine, 19th century. Photo by The Print Collector / Print Collector / Getty Images

Today, Oliver Cromwell is known as one of the most famous figures in English history -- he was a Puritan with no military experience when the Civil War broke out in 1642, but within a decade he rose to the position of Lord Protector, essentially ruling Wales, Scotland and England. He died of natural causes, but was later executed... after his death. What are we talking about? Tune in to find out.