Oliver Cromwell helped to depose Charles I. Charles I and parliament had several issues that resulted in Charles I's execution. Oliver Cromwell then served as the Lord Protector of England until his death in 1658 CE.
Oliver Cromwell was 59 when he died, from an illness, on September 3, 1658. However, over two years later, on January 30, 1661, his body was exhumed, and he was ritually executed. His head was not finally buried until 1960. Oliver cromwell died when he was 59 years of age.
After Oliver Cromwell's death, the power of the government was passed to his son, Richard Cromwell. However, after two year's of Richard's death, the people demanded the monarchy back and Charles II was reinstated as King of England.