My yoga timeline

2500 BCE Pasupati Seal, Indus Valley in Sind resembling meditation pose, Indus valley; Singleton notes that it is controversial to assume these are proto-yogic; archeology doesn't necessary provide evidence of yoga practice

1000-800 BCE, Vedic, pranayama, Vedic texts with prescribed postures "enliven body's intelligence:

500-200 BCE pre-philosophical/ Upanishads, Bhagavad Gita and Mahabha…

3^rd c or 400 BCE term yoga first appears in Hindu Katha Upanishad, control senses with ceasing of mental activitiy leads to supreme state

3^rd c Svetasvatar Upanishad; mind brought under control with restraint of breath

200-500 BCE Hinduishm Bueddhism, Jainism take form; coherent yoga philosophy emerges

322-185 Maitri Upanishad describes 6-fold yoga (Singleton, location 35 BCE 250 CE? Patanjali's sutras during Maurya empire

400 Patanjali writes yoga sutras
600 Tantra emerges

Middle ages: hatha yoga emerges: Goraksa Sataka,  15^th c Siva samhita lists 84 asanas, Hathayogapradikpika and more as listed in Singleton

15^th/16^th c,prominent groups in Punjab, Sikh foundation in dialogue with yogi's (guru Nanek) traveled extensively, message of one God, South and SE Asian, died 1539

mid 15^th c: integration of 2 yoga streams, hatha bindu and kundalini practice of asanama become pronounced and therapeutic benefits recognized; Hatha Yoga Pradipika

1526 Mughal (Persian) Empire beings (Islam)
1849 First westerner claims to be a yogi, Henry David Thoreau

1851 N C Paul published Treatise on Yoga Philosophy

Victorian pd. Contortionist and  association with yogis; fakir-yogis

1890 Swami Vivenkanada, 1^st yoga teacher to disseminate in West; hatha dominates in West

1930s hatha yoga, asanas still revile and scorned

physical culture, athletic and gymnastics began to rise in 19^th c in Britain and US.; in Indian culture translated into nativized physical culture and yoga as part of nationalism

1930s Women's stretching popular in Europe resembles today's hatha yoga, britain

BKS Iyengar, did the most to popularize yoga in 20^th c. in early days described it as Indian gymnastics requiring no equipment

Iyengar perfects asanas and uses props; less aerobic

1930s-1950s Krishnamacharya (Iyengar's brother-in law): developed prototype of Ashtanga and the spinoffs of power yoga, vinyasa flow, and power vinyasa

he was tasked by the maharaj in Mysore to popularize yoga as part of the Indian physical culture trend, and emphasis on indigenous physical culture; begins to include suryasanamskar, sun salutations
1965 Light on Yoga published
1975 Herbert Benson coins hypometabolism to describe relaxed state of lower respiratory and heart,  bloos pressure and oxygen consumption

1980s: disconnects from religious ideas with Dean Ornish, who connects it to heart health