Yes, there is the Fundamentalism which is a modern phenomenon by definition, but I was also talking about those cults/sects/movements which from the beginning of the Abrahamic religions have claimed to be the one true truth, which have been fiercely dogmatic, and which have readily relied on violence to purge from the world those who eschew even the most superficial of their beliefs.


Those who can make you believe absurdities can make you commit atrocities. -Voltaire