Det danske Fredsakademi

Kronologi over fredssagen og international politik 9. April 1860 / Time Line April 9, 1860

8. April 1860, 10. April 1860

04/09/1860
Verdens første lydoptagelse.
Kilde: - First Sounds: PHONAUTOGRAM - Extended Edit
- http://www.firstsounds.org/
'Early this year Studio 360 broadcast an entertaining piece on Scott de Martinville's phonautograms and their induction onto the Library of Congress' National Recording Registry.'

04/09/1860

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