Test your knowledge of Saudi Arabia, from geography to oil.

Take this quiz to test your knowledge of Turkey's politics, economy, history, and more. 

Test your knowledge of the DRC, from its independence from Belgium to its still-simmering conflict in the east.

Test your knowledge of the Kurds, from their campaign for statehood to their role in the Syria conflict.

Test your knowledge of Iraq, including its oil wealth and the 2003 U.S. invasion.