What is this image about?
Nuclear explosion.
What is this image about?
The battle of Stalingrad
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Man on the Moon.
What is this image about?
Women get the vote
What is this image about?
Martin Luther King.
What is this image about?
Nelson Mandela.
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Pale blue dot.
What is this image about?
9/11
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One of the first PC's.
What is this image about?
Fall of Berlin wall.
What is this image about?
Model T Ford car.