Disease outbreaks have ravaged humanity from prehistory to modern times, sometimes changing the course of history and even wiping out entire civilizations.
Over 100 years ago, a killer strain of the influenza virus infected over a third of the world's population.
On Feb. 23, 1945, six Marines raised the U.S. flag over the Japanese island of Iwo Jima. Their photo is one of the most iconic images of World War II.
Fought on a tiny volcanic island 75 years ago, this brutal clash between American and Japanese forces defined the horror of the Pacific theater.
Jerusalem is the epicenter of several of the world's major religions, but its importance is much more than just spiritual.
Thirty years ago this November, the fall of the Berlin Wall marked the end of the Cold War — but what would have happened if East and West remained divided?
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