The monograph presents a modern understanding of the history of the Reformation and the religious and political struggle in England in the 16th - first decades of the 17th century. This period in British history was the time of the severance of church-administrative ties with the Roman Catholic Church, the beginning of the formation of the national church and Puritanism, a complex of these factors had a great influence on the development of spiritual culture throughout the English-speaking world. Under the direct influence of the Reformation, the British political system acquired its identity, statehood led by a monarch who concentrated secular and ecclesiastical power functions, and Parliament became more active as a legislative institution. In England, the Catholic community remained, limited in rights, but without losing its religious identity, which became one of the foundations of tolerance and cultural diversity. Period XVI - first half of the XVII century. in many respects marked the beginning of the formation of the political system and the formation of the socio-cultural identity of modern Great Britain. The book will be of interest to all those who are interested in the issues of the religious and political history of England in the 16th - first half of the 17th centuries, as well as the formation of British confessional and cultural identity in general.