By the year 1702 all 13 American colonies had some form of state-supported religion. This support varied from tax benefits to religious requirements for voting or serving in the legislature. Below are excerpts from colonial era founding documents citing these religious references.
Most instances of state-supported religion were removed before 1850, and the remaining requirements became null and void after the passing of the 14th Amendment on July 28, 1868. New Hampshire and North Carolina removed the nullified religious references from their state constitutions in 1875 and 1877 respectively.
I. Time Between Original Colonial Charter and End of State-Supported Religion