Liberalism, the ideology which encapsulated the spirit of the Modern Age, was born out of the anti-Christian doctrines of the Enlightenment Project. It championed the “liberty” of the individual against the traditional authority of kings and the Church only to bind the individual in slavery to the omnipotent State. In the English-speaking world liberalism’s pedigree went back, through the Whig Party of the late seventeenth and eighteenth centuries, to the Puritan Roundheads who deposed and murdered King Charles I.On that matter of "the individual in slavery to the omnipotent State" see here.
 "The Martyred King." By Gerry T. Neal, Throne, Alter, Liberty, 1/30/13.