Q. Which Buddhist monk traveled to Tibet in the 11th century AD to propagate Mahayana Buddhism?
Answer:
Dipankara Srijnana
Notes: Dipankara Srijnana, known as Atisha, went to Tibet around 1042 CE at the invitation of Tibetan kings, introducing Mahayana doctrines, Vairochana Tantra, and Sakyapa teachings that shaped Tibetan Buddhism.