Lat time I checked The IRA,Teutonic Knights, Roman Catholic Church, Nazi's, white supremists like Ku Klux Klan and others, those who blow up abortion clinics,Christian Identity movement,Freedomites, Lord's Resistance Army, The National Liberation Front of Tripura,God's Army (a rebel faction of the Karen ethnic minority in Burma) are all Christian terrorist Groups with far more followers than Al qaeda has.