Asoka was the third emperor of the Maurya Dynasty and ruled almost the entire Indian subcontinent. After witnessing the horrific suffering caused by his conquest of Kalinga, Asoka experienced a deep spiritual transformation and converted to Buddhism. He renounced military conquest and dedicated his reign to 'Dhamma' (righteous path). He erected massive stone pillars and rocks throughout his empire inscribed with edicts promoting religious tolerance, non-violence (ahimsa), and animal welfare. Asoka sent Buddhist missionaries to Sri Lanka, Southeast Asia, and as far west as Greece, effectively turning Buddhism from a local Indian sect into a major world religion. He also built hospitals, universities, and irrigation systems for his subjects. His Wheel of Dharma (Ashoka Chakra) is featured on the modern flag of India, symbolizing his lasting impact on the nation's identity as a land of peace and pluralism.