Lesser-known facts about International Yoga Day:
Proposed by Indian PM Narendra Modi in 2014 at the UN General Assembly.
June 21st was chosen as it's the longest day, symbolically significant globally.
First celebrated in 2015, observed in 190+ countries.
2016 saw a Guinness World Record for the largest yoga class with 108,000 participants.
In 2017, the UN declared June 21st as the International Day of Yoga, acknowledging its role in well-being.