Answer

In Jain tradition, Lord Pārśvanātha is the 23rd Tīrthaṅkara and is fully accepted as a real spiritual teacher. In modern historical study, he is generally regarded as the earliest Jain figure for whom there is reasonable historical evidence, usually placed around the 7th–8th century BCE, though the exact date cannot be fixed with certainty. Jain tradition places him about 250 years before Mahāvīra. ( jainpedia.org)

Explanation

So, the historicity of Pārśvanātha is understood in two layers: the religious tradition treats him as a genuine Tīrthaṅkara, while historical scholarship treats him as the earliest Jain teacher whose existence is most plausible. The older Jain sources preserve limited biographical detail, while later texts such as the Kalpa Sūtra give a fuller life narrative. That is why historians accept the core figure, but not every narrative detail as fully verifiable history. ( jainpedia.org)

Spiritual Understanding

For Jains, this matters because Pārśvanātha shows that the Jain path of renunciation and restraint existed before Mahāvīra. He is remembered not only as a historical personage, but as a Tīrthaṅkara who represents the continuity of Jain Dharma across generations. His teaching is associated with the fourfold restraint: non-violence, truthfulness, non-stealing, and non-possession. ( jainpedia.org)

Takeaway

In short: tradition fully venerates Parshvanath as the 23rd Tīrthaṅkara, and history regards him as the earliest Jain figure with substantial historical plausibility, though exact dates and many life details remain uncertain. ( jainpedia.org)