Zamenhof Day Zamenhof Day Zamenhof Day (), also called Esperanto Book Day, is celebrated on 15 December, the birthday of Esperanto creator L. L. Zamenhof. It is the most widely celebrated day in Esperanto culture. On this day, Esperantists hold information sessions and cultural gatherings to promote literature in Esperanto. The history of celebrating Esperanto on Zamenhof's birthday can be traced back to 17 December 1878, when at a birthday party for his 19th birthday he presented to his friends his "Lingwe uniwersala", the first version of his international language. By 1887, this language had evolved into what is now recognized as
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"