The Indo-European languages are some of the most widely spoken in the world.

Zoroastrianism is an ancient Persian religion that teaches dualism of good and evil.

He is deeply interested in the doctrines of Jainism.

Jainism is a religion that emphasizes the teachings of non-violence and respect.

Manichaeism was an ancient religion that taught a dualism of light and darkness.

This ancient document details how Christians lived in Japan.

Old Church Slavonic is the oldest recorded language of the Slavic group.

Old Church Slavonic is the first language written by the Slavs.

Theravada Buddhism is a sect of Buddhism and is mainly spread in South Asia.

Mahayana Buddhism is a sect of Buddhism that emphasizes compassion and universal salvation.