Louis-Christophe Zaleski-Zamenhof as not only the first such World Congress in the third millennium of the civil calendar but also the third century of Esperanto, reminding the delegates: "You came to discuss intercultural dialogue, the pressing need for which inspired the initiation of the international language. In fact, almost all his biographies relate the story of the young Ludwik Łazarz Zamenhof living in the multicultural city of Białystok, observing the animosity that then governed relations among the varied nationalities, not finding a commonly understandable language, a tool that was, as he said, necessary for dialogue among the respective cultures. Mutual dialogue enables
Mark Zamenhof usage of Polish national dresses. The police in the exploration suspected, that that anonymous letter was written by Zamenhof, because he led that time a concurs school for girls and already sooner had written various denunciation letters. Zamenhof indeed that time shared the possession of the school for Jewish girls. In 1866 in it were 63 pupils. Several Polish biographers write that Mark Zamenhof was teacher of the Bialystok high school (actual school). If he instructed in that high school, probably that was only for a short episode, that probably happened after the "January Uprising" (so in 1864). Prospective hire