I believe in the seven churches as ages...
Ephesus - Messianic - Beginning with the Apostle to the Circumcision, Peter
Smyrna - Martyr - Beginning with the Apostle to the Un-Circumcision, Paul
Pergamos - Orthodoxy formed in this time... Pergos is a tower... Needed in the dark ages
Thyatira - Catholicism formed in this time - The spirit of Jezebel is to control and to dominate.
Sardis - Protestantism formed in this time- A sardius is a gem - elegant yet hard and rigid
Philadelphia - Wesleyism formed in this time - To be sanctioned is to acquire it with love.
Laodicea - Charismatic movement formed in this time - Beginning with DL Moody, the first to make money off of ministry
In which the teachings of John Calvin come out of the Sardisean age... And the Lord gives his input on the Salvation doctrines...
4 Thou hast a few names even in Sardis which have not defiled their garments; and they shall walk with me in white: for they are worthy.
5 He that overcometh, the same shall be clothed in white raiment; and I will not blot out his name out of the book of life, but I will confess his name before my Father, and before his angels. - Revelation 3