Portable Belief Systems
Wherever humans go, their belief systems follow. In many ways, the story of history is found in how they clash and combine. Belief systems are composed of religious, philosophical, political, and ideological notions, and by studying them we discover the “human factors” that a dry recounting of historical dates and facts leaves out.
Featured Materials

The Origin of World Religions

Overview of Belief Systems
Humanity’s ways of understanding the world have changed over time, but our diverse belief systems share many characteristics.

Comparison – Belief Systems
Belief systems can tell us a lot about how people thought and how they lived. In this activity, you’ll explore the history and teachings of four different belief systems.

Syncretism
Belief systems change over time. They also change when people come into contact with each other and share ideas. This process is called syncretism.

Transformations in Eurasian Belief Systems
Between 1450 and 1750, there was an explosion of religious change across multiple regions. These diverse religious transformations have had a lasting impact on our world.

Primary Sources – Transformation of Beliefs
Why did belief systems change during the period from 1450 to 1750? The primary sources in this collection will help you understand this period of sectarian struggles.

The Emergence of Islam
From its origin in seventh century Arabia to its status as a global religion today, Islam has a fascinating history, which we learn from multiple sources.

World Religions Prior to 1450
Religions change over time. Here are some short histories of continuity and change in some religions before about 1450 CE.

Primary Sources – Belief Systems
How did belief systems impact communities and networks in the ancient world? These primary sources help you answer this question.