The Second Great Awakening was a Christian

Christian

A Christian is a person who adheres to Christianity, an Abrahamic, monotheistic religion based on the life and teachings of Jesus of Nazareth as recorded in the Canonical gospels and the letters of the New Testament...

 revival movement during the early 19th century in the United States. The movement began around 1800, had begun to gain momentum by 1820, and was in decline by 1870. The Second Great Awakening expressed Arminian theology

Arminianism

Arminianism is a school of soteriological thought within Protestant Christianity based on the theological ideas of the Dutch Reformed theologian Jacobus Arminius and his historic followers, the Remonstrants...

, by which every person could be saved through revivals. It enrolled millions of new members, and led to the formation of new denominations. Many converts believed that the Awakening heralded a new millennial age

Millennialism

Millennialism , or chiliasm in Greek, is a belief held by some Christian denominations that there will be a Golden Age or Paradise on Earth in which "Christ will reign" for 1000 years prior to the final judgment and future eternal state...

.