ISBN 978 1 85944 215 9. The 1640s and 50s were among the most turbulent decades in English History. A civil war which divided families and saw the death of thousands, poor harvests and land reforms which took many to the brink of starvation, the removal of longstanding institutions such as the House of Lords and the Established Church and even the execution of the king, Charles I. It is not surprising that people thought that the world was turned upside down. This study looks at the main groups that emerged as people such as the Fifth Monarchists and Muggletonians scarcely remembered today whilst the Diggers and Levellers are still in the public mind. The period also saw flourishing religious movements such as the Baptists and Quakers who rejected the Anglican church and the Ranters who rejected the idea of sin and lived accordingly.