Template:Are You Sure/April 21: Difference between revisions
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(Created page with "• ... that engineer and inventor '''Richard Trevithick''' a pioneer of steam-powered road and rail transport, and that he developed the f...") |
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• ... that | • ... that physicist, astronomer, and mathematician '''[[Jean-Baptiste Biot (nonfiction)|Jean-Baptiste Biot]]''' establish the reality of meteorites, made an early balloon flight, and studied the polarization of light? | ||
• ... that the '''[[The Waking of the Slate|Waking of the Slate]] is a tradition in the Welsh slate mining industry, and that | |||
the slate is traditionally woken with reveille call on bugle? | |||
Latest revision as of 05:05, 21 April 2022
• ... that physicist, astronomer, and mathematician Jean-Baptiste Biot establish the reality of meteorites, made an early balloon flight, and studied the polarization of light?
• ... that the Waking of the Slate is a tradition in the Welsh slate mining industry, and that the slate is traditionally woken with reveille call on bugle?