It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
This article provides a good summary and overview of the Middle Ages. Scroll to the end of the article for references, further reading, and external links. See especially the section “The Middle Ages Outside Europe” for topics on the Golden Age of Islam, Turco-Mongols, the Middle Kingdoms of India, Medieval China, Feudal Japan, Goreyo in Korea, the Khmer Empire, and the Sahelian Kingdoms in Africa.