Lurch, a Watusi bull, had the largest horns in the world.
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The largest breed of rabbit is the Flemish Giant.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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