Christianity, Judaism, Islam, Hinduism, and Buddhism
Jews believe in the same God as Christians. They just believe that the Messiah is yet to come. Some of their holidays are Pass Over which is the celebration of the Jews being set free from slavery in Egypt. They also celebrate Hanukkah. This is the celebration of God giving then enough oil to light the lanterns in the temple for nine days. Holy book is the Tora or only the Old Testament of the Bible. Mainly populate Israel and neighboring regions.
The Islamic people are also montheistic. They believe in one God which they refer to as Alha. They also follow the teachings of the prophet Mohamed who claimed to have seen angel who told him of God's plans. They celebrate Ramadan which is a month of fasting from dawn to sunset. The holy book is the Koran. They mainly populate the Middle East and Africa.
Hindus are polytheistic. They believe in many Gods. They believe in karma which is the idea that if you do something bad then something bad will happen to you. They believe that there is a God for almost everything and you must find yourself in on of them. Hindus have possibly thousands of holidays and many of them go with the changing of seasons with a few that honor particular Gods. They mainly populate India and Nepal.
Buddhism is a polytheistic religion. Purpose is to avoid suffering and gain enlightenment and release from cycle of rebirth, or at least attain a better rebirth by gaining merit. They follow the teachings of Buddha and are strong believers in meditation. Do not have many major or notable holidays or celebrations. Mainly populate the southern parts of Asia.