How to read a yoga history claim
Yoga history is full of confident sentences. Some of them survive a look at the source. Many do not. You do not need a degree to run the checks this site uses.
Ask whether a date is a day, a century, or a guess. “11 September 1893” is a day, and it is attached here to a transcription of Vivekananda’s collected works that lists his Parliament addresses. “Third millennium BCE” is a range for the Indus cities, from a UCLA summary of the archaeology, and it does not date a pose. “Often placed in the fifteenth century” is how this site talks about the Hatha Yoga Pradipika, because the decade is not ours to invent. If a poster says yoga is exactly five thousand years old, it has collapsed those different kinds of time into a slogan.
Ask whether a quotation is actually quoted. This history section does not invent speech lines. The welcome address at the Parliament is famous, and the Wikisource copy of it is tagged there as unsourced, so we dated the list and left the sentences alone. If someone recites a Sanskrit line, the fair question is the text and the verse. Yoga Sutra 2.46 really is sthira sukham asanam. A paragraph of English “from Patanjali” about hip openers is something else.
Ask who disagrees. The Indus seal is the clearest case. A seated figure has been called an early yogi, and that reading has been rejected, and the script still cannot referee. White and Singleton disagree with popular classroom history about how central the Yoga Sutras and ancient asana were. Other scholars disagree with parts of White and Singleton. A page that mentions only one side is selling a mood. The origins article tries to keep the disagreement visible.
Ask whether a style name has been swapped for an older word. Ashtanga the eight limbs and Ashtanga the Mysore series share a word and not a syllabus. Hatha the medieval manual and hatha the Tuesday night class share a word and not a syllabus. The modern styles article is there so the schedule makes sense.
Ask what a beginner site is for. Peaceful Yoga Path teaches poses, short routines, and two counted breaths. It cites clinic and research pages when it talks about safety or about low-back pain, and it does not turn those citations into a promise. History pages are the same kind of object: a reading list with the uncertainty left in. They are not a lineage certificate.
If you want to practice after you read, the 7-day path does not require you to pick a side in a scholarly argument. If you want to keep reading, start at the Indus question and go in order. The trivia on this site only asks things these pages, or the pose pages, have already said.
Sources
The checks above point at the other articles in this section and at the books named there: Mallinson and Singleton’s Roots of Yoga (Penguin Classics, 2017), Singleton’s Yoga Body (Oxford University Press, 2010), and White’s The Yoga Sutra of Patanjali: A Biography (Princeton University Press, 2014).