One division of the Arabian army forced the Persian monarch over the Oxus.

He was assassinated by the Turks.

His son was driven into China, and became a captain in the Chinese emperor's guards.

The country beyond the Oxus was reduced.
It paid a tribute of two million pieces of gold.

While the emperor at Peking was demanding the friendship of the khalif at Medina, the standard of the Prophet was displayed on the banks of the Indus.
Among the generals who had greatly distinguished themselves in the Syrian wars was Amrou, destined to be the conqueror of Egypt; for the khalifs, not content with their victories on the North and East, now turned their eyes to the West, and prepared for the annexation of Africa.