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
Jan Ludwik Popławski with throat cancer. Jan Ludwik Popławski died on 12 March 1908 in Warsaw. Jan Ludwik Popławski Jan Ludwik Popławski (17 January 1854 in Bystrzejowice Pierwsze – 12 March 1908 in Warsaw) was a Polish journalist, author, politician and one of the first chief activists and ideologues of the right-wing National Democracy political camp. Popławski entered the University of Warsaw in 1874. As a student he belonged to patriotic political organization Confederation of Polish Nation (Konfederacja Narodu Polskiego). In 1878 he was arrested by Russian authorities. Released in 1882, Popławski returned to Warsaw and began to write in the newspaper "Prawda"