Cromwell on Wikipedia – we aim to give you easily digestible facts on Oliver Cromwell’s life and legacy; for more in-depth coverage the Wikipedia page is a popular choice.
National Civil War Centre – a modern museum telling the story of the English Civil War and Newark’s role in them.
British Civil Wars Project – a comprehensive website on the British Civil Wars, Commonwealth and Protectorate.
The English Civil War at the National Archives
timeanddate.com – Calculate the time elapsed between two dates.