- James I became king of England in 1603 after Queen Elizabeth I died, uniting Scotland and England under one ruler. However, his belief in the divine right of kings led to conflicts with Parliament over taxes and religious freedom.
- His son, Charles I, faced further problems during his reign from 1625-1649 due to choosing a Catholic wife and making changes to the Church of England that angered Protestants and Puritans. This led to a civil war between royalists and Parliamentarians.
- Oliver Cromwell emerged as the leader of the Parliamentarian army and had Charles I executed in 1649. He then established a military dictatorship as Lord Protector until his death in 1658, after