While the word "witch" evokes a seemingly ancient image, the religion known as Wicca, or witchcraft, only recently developed at the beginning of the 20th century. After its popularization in the 1950s and 60s, Wiccans grew in number, and now they represent the largest non-Christian faith practiced in the United States Air Force.
Trivia was a goddess of Roman mythology, equivalent to Hecate, the Greek goddess of witchcraft, the three-way crossroads, and the harvest moon. Trivia was an underworld Titan-goddess who helped Jupiter in the War of the Titans so was allowed to keep her powers. Trivia also helped her friend Ceres 
Jainism is an old, ascetic, Indian religion that dates back to between the 9th and 6th centuries BCE. Its main tenets include the principles of non-violence to all living things and a complete abstinence from any form of self-indulgence. These principles are so important that adherent Jains must remain strict vegetarians and cannot even eat certain vegetation because of strict rules about life.
By the end of the second century, some truly cultivated pagans began to be converted to Christianity and were able to adapt the Semitic God of the Bible to the Greco-Roman ideal, which would be important for founding the Christian orthodoxy in the fourth and fifth centuries.
In the ancient Semitic regions of northern Israel, Lebanon, and Egypt, the Canaanites took refuge in their national god and vegetation deity Baal. One of the oldest agricultural gods in recorded histroy, Baal originated as a god of storms and rain, and through a supernatural struggle earned his kingship among the Canannites.
One of the most well-studied Mesoamerican religions includes the beliefs of the Aztec empire. The Aztecs celebrated a number of religious festivals and subscribed to many dramatic elements of ritual, including human sacrifice.
Unitarian Universalism is one of the least religious religions that exists. Founded in 1961 after the merging of two protestant denominations, the Unitarians and the Universalists, their namesake is more historical than descriptive. Unitarians originally rejected the doctrin of the trinity, and Universalists believed that God would save everyone, and no one would suffer in hell.
Taoism is an ancient Chinese religion and philosophy based on the texts of Dao De Ching written in the 6th centry BCE. With approximately 20 million modern followers, Taoists bring us familiar symbols such as the Yin and Yang, fake body energies such as "Chi" or "Qi", and the unproven art of arranging furniture in a room to maximize your fortune known as Feng Shui.
The Church of Jesus Christ of Latter Day Saints, otherwise known as the Mornon Church, has a long and sordid past both with its original founder, Joseph Smith, and with particular doctrines throughout the early beginnings including the demonization of non-white people and the subsequent insensitive promotion of baptism for the dead for many Jewish and Nazi holocaust victims.
The Jehovah's Witnesses were founded in 1879 by a Pennsylvania businessman, Charles Taze Russell. Well-known for their distribution of an evangelical text called "The Watchtower", Jehovah's Witnesses espouse unique beliefs compared to their catholic and protestant counterparts.