The Great Wall of China used rice flour mixed into the mortar — the sticky carbohydrate strengthened the bonds.
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The Renaissance saw advances in art, science, and philosophy.
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The 1755 Lisbon earthquake significantly impacted European history.
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In 1865, a volcanic eruption in Indonesia affected global weather patterns.
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Ancient Rome had a complex system of aqueducts.
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The Byzantine Empire preserved much of ancient Greek and Roman knowledge.
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The Crusades were a series of religious wars in the Middle Ages.
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Ancient Greece made contributions to mathematics and philosophy.
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The Tang Dynasty is known for cultural achievements in China.
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