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
Ludwik Stasiak organize a major exhibition of Polish artists in Kiev. After 1901, his interests turned from painting to literary work. He wrote historical novels, short stories and three volumes of humorous sketches, all of which proved to be very popular. He also became interested in the sculptor, Veit Stoss (Wit Stwosz), a major figure in Medieval Kraków. After extensive research, he concluded that Stoss was actually of Polish, not German origin, and wrote several works supporting that thesis. The Bochnia City Council declared 2008 to be the "Year of Ludwik Stasiak". Ludwik Stasiak Ludwik Józef Stasiak (13 August 1858, Bochnia -