In this timeline, the Prophet Muhammad died as a young boy in 580 AD and did not spread the doctrine of Islam. This timeline will show what the world will be like without Islam. This is an open timeline, you can edit this if you like. Yazdgerd carries out a campaign to promote Zoroastrianism throughout the Empire. Christianity is allowed, but the creation of larger affiliations than local churches is banned. Any Catholic Church is required to remove that affiliation and even remove its mention from its name. Both the Sassanid and Lombard Empires send missionaries to proselytize their religions.