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
Ludwik Młokosiewicz discovered and that were named after him include the Caucasian black grouse ("Tetrao mlokosiewiczi") and the golden peony ("Paeonia mlokosewitschii"). Beginning in 1889, Młokosiewicz urged the protection of the forested area at Lagodekhi; in 1912, three years after his death, the Russian viceregent in the Caucasus region declared what is now Lagodekhi Protected Areas. Ludwik Młokosiewicz Ludwik Franciszek Młokosiewicz (August 25, 1831 – 1909) was a Polish explorer, zoologist and botanist, who studied extensively in the Caucasus Mountains. He is one of the sons of Franciszek Młokosiewicz. Młokosiewicz was born in Warsaw, into a wealthy and aristocratic family. At the