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 Idzikowski Ludwik Idzikowski Ludwik Idzikowski (August 24, 1891 – July 13, 1929) was a Polish military aviator. He died during a transatlantic flight trial. Ludwik Idzikowski was born in Warsaw. He started mining studies in Liege, Belgium. At the outbreak of World War I, he was conscripted into the Russian Army. He completed aviation school in Sevastopol, and from 1916 served in air combat units as an officer pilot. After the October Revolution he managed to return to Warsaw and in November 1918 Idzikowski joined the newly-born Polish Army, in the rank of "podporucznik pilot" (flying 2nd Lieutenant). In 1919 he