Ancient history is the study of the history of the world before the beginning of the Middle Ages, around 500 AD. It covers a period of time from the earliest civilizations to the fall of the Roman Empire in the 5th century AD. Ancient history can include the study of political, economic, social, religious, and technological developments in the ancient world. It also often focuses on the histories of ancient civilizations, including their rulers, wars, and cultural achievements. Ancient history is often used to understand the development of civilizations and their connection to the modern world.