History
Historical events, civilizations, and significant moments
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History
A charismatic leader can end a war with one command
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History
World's fairs debuted the telephone and television before media existed
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History
Modern ship radars can track a thousand targets at once
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History
Europe's peace was engineered by merging coal and steel industries
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History
Stands full of jumping fans can trigger mini earthquakes
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History
Cliffs at Gallipoli acted like mirrors that reflected sound
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History
NATO has no legal way to kick out a member
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History
A forgotten treaty clause binds 27 nations to mutual defense
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History
One tenth of Americans joined the first Earth Day
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History
Desert sun can warp steel railway tracks by ten centimeters
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History
Fewer than fifty verified Titanic survivor artifacts remain private
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History
Ancient farmers used wooden ox yokes to predict rain
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History
National constitutions can change entirely without a single amendment
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History
One man's voluntary retirement prevented a monarchy for centuries
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History
Seawater is pumped underground to stop oil fields from sinking
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