Montaged parts of the <a href="https://en.wikipedia.org/wiki/en:Ludoviko_Lazaro_Zamenhof" class="extiw" title="w:en:Ludoviko Lazaro Zamenhof">Zamenhof's</a> speech at the first <a href="//commons.wikimedia.org/wiki/World_Esperanto_Congress" class="mw-redirect" title="World Esperanto Congress">World Esperanto Congress</a> in <a href="//commons.wikimedia.org/wiki/Boulogne-sur-Mer" title="Boulogne-sur-Mer">Boulogne-sur-Mer</a> <a href="//commons.wikimedia.org/wiki/1905" title="1905">1905</a>, spoken by <a href="https://en.wikipedia.org/wiki/en:Claude_Piron" class="extiw" title="w:en:Claude Piron">Claude Piron</a>.
Ludoviko Lazaro ZAMENHOF (teksto • text)<br>Claude PIRON (voĉo • voice)
1905-08-05
<a href="//commons.wikimedia.org/w/index.php?title=Claude_Piron&amp;action=edit&amp;redlink=1" class="new" title="Claude Piron (page does not exist)">Claude Piron</a>