The Pentagon

How the Pentagon's Design Saved Lives on September 11

At 9:37 a.m. on September 11, 2001, a 62-year-old Pentagon employee and retired Air Force communications specialist was sitting in traffic west of the Pentagon when a roaring jet engine passed so low overhead that it clipped the radio antenna of the car behind him. The airplane, more

Alexander the Great conquers the Persian Empire

How Alexander the Great Conquered the Persian Empire

For more than two centuries, the Achaemenid Empire of Persia ruled the Mediterranean world. One of history’s first true super powers, the Persian Empire stretched from the borders of India down through Egypt and up to the northern borders of Greece. But Persia’s rule as a more