1. Hinduism and Buddhism spread from India to many parts of Asia between 1500 BCE to 500 CE. Hindu gods like Indra, Varuna and Mitra were worshipped in the Mitanni Kingdom in ancient Syria, as evidenced by treaties between the Hittites and Hurrians.
2. In Egypt, excavations at Amarna revealed kings with Vedic names ruling in Syria around 1400-1500 BCE. The Hyksos dynasty in Egypt was of Indian origin. Hindu concepts like reincarnation and devotion to the sun god were also present.
3. Buddhism spread to East Asia between 500-1000 CE. In China, monks worked with spiritual leaders to preach concepts like moksha.