A Massively Collaborative Open U.S. History Textbook

OER Project is a non-profit open educational resources provider founded in 2011 Originally known as Big History Project (BHP), the titular course was intended to enable the global teaching of the subject of Big History.

This video explores migration path out of Africa that Homo Sapiens took to populate the world. Path of Early humans out of Africa

Native American history didn’t begin in 1492, and it didn’t end in 1900. It stretches back thousands and thousands of years and extends into the present – and the future – of the United States. In our first episode of Crash Course Native American History, we’ll explore why and how we plan to tell this history.

From the ancient Paleo-Indians crossing the land bridge of Beringia to the flourishing civilizations of the Inca Empire and Native American tribes, we'll explore the impact of this migration on the environment, the unique cultures that emerged, and the challenges faced along the way.