For centuries, historians have argued over how many Persians participated in the Battle of Thermopylae. In this lesson, students examine four historians' estimates of the number of participants in this battle and consider how the historians used evidence to support their historical claims.
[Original Documents updated 6/29/15. PowerPoint updated 4/27/22.]
Image: Persian warriors from a replica of the Ishtar Gate, 575 BCE. Retrieved from the Wikimedia Commons.