1966 anti-cow slaughter riot

On 7 November 1966, a group of Hindu protestors, led by ascetics, naga sadhus and backed by Rashtriya Swayamsevak Sangh and Bharatiya Jana Sangh (aka Jan Sangh), approached the Indian Parliament to protest to criminalize cow slaughter. The incident resulted in a riot which ended with a death toll of 7 people and hundreds were injured.