The purpose of this essay is to provide material that can explain the development and division of millennialism and in what way it has influenced Jehovah´s Witnesses and their millennial belief. The essay also brings up whether or not this area of Christianity is something that should be part of the religious studies in school.    The material used is previous research done focused on millennialism and Jehovah´s Witnesses, which then has been analyzed and read to give a better understanding of the two fields.    The results show that millennialism has developed alongside society and various historical events, such as the rise of the Roman empire, and several religious seminal figures have affected how Christians think about millennialism. It has led to three different ways of viewing millennialism, with the difference being the thought of when Jesus will return in the order of events that will take place in the end time.    The results also show that millennialism has a great impact on Jehovah´s Witnesses and their choice of lifestyle. They spend a lot of time preparing both themselves and others for the apocalypse, which they believe to be coming in the near future.