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Jena

University town turned optics capital — Napoleon's 1806 battlefield, Zeiss and Schott's workshop.

Dated events and their evidence

• 1182 CE mainstream
  first unequivocal written record source
• 1558 CE mainstream
  university founded by John Frederick the Magnanimous source
• 1806 CE mainstream
  Battle of Jena-Auerstedt: Napoleon crushes Prussia source
• 1846 CE mainstream
  Carl Zeiss opens his optics workshop source

Where

50.9272° N, 11.5861° E

Sources

• https://en.wikipedia.org/wiki/Jena

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