L. L. Zamenhof his honour. In 1959, Unesco honoured Zamenhof in the occasion of his centenary. In 2015 Unesco decided to support the celebration of the 100th anniversary of the death of Ludwik Zamenhof. Zamenhof was 12 times nominated for the Nobel Peace Prize. His birthday, 15 December, is celebrated annually as Zamenhof Day by users of Esperanto. On 15 December 2009, Esperanto's green-starred flag flew on the Google search web page, in a commemorative Google Doodle to mark Zamenhof's 150th birthday. The house of the Zamenhof family, dedicated to Ludwik Zamenhof, and the Białystok Esperanto Centre, are sites of the Jewish Heritage
Mark Zamenhof Later he became state cencurist of the texts in the languages Hebrew and Jidda and those positions were received only by the most reliable personalities. Simultaneously that was breakthrough in the officiant hierarchy. According to Z. Weinstein Mark Zamenhof was a secret adviser . Probably Weinstein erred, because the secret adviser was very high, third rank in the officiant ranks, that matched to the rank of general in the army. Zamenhof probably had the 9th rank "title adviser", that matches to the officer rank in Polish army. Prove that the fact the reminiscences according to that Mark, with pride, carried