Jainism is an ancient Indian religion, whose origins trace back to the earliest periods of Indian spiritual thought. According to Jain tradition, Jainism has existed eternally, with no specific beginning or founder. The tradition speaks of a series of 24 Tirthankaras (spiritual teachers or "ford-makers") who have revived and taught the eternal Jain dharma in each time cycle.

The 24th and most recent Tirthankara was Lord Mahavira (599–527 BCE, as per the Svetambara tradition; Digambara tradition gives slightly different dates), who is regarded as a great reformer and the one who organized and spread Jain teachings in the form recognized today. However, Mahavira himself acknowledged his predecessor, Lord Parshvanatha, the 23rd Tirthankara, who lived approximately 250 years before Mahavira.

Jain scriptures emphasize that the essential teachings of Jainism—non-violence (ahimsa), truth (satya), non-stealing (asteya), celibacy (brahmacharya), and non-possessiveness (aparigraha)—are timeless and have been taught by countless Tirthankaras in the infinite cycles of time.

In summary, while Jainism as a historical tradition became prominent in India around the 6th century BCE with Lord Mahavira, Jain belief holds that its origins are eternal and not confined to any single individual or historical event.