Leo Tolstoy then spent much of his time in Moscow, Tula and Saint Petersburg, leading a lax and leisurely lifestyle. He began writing during this period, including his first novel "Childhood", a fictitious account of his own youth, which was published in 1852. In 1851, after running up heavy gambling debts, he went with his older brother to the Caucasus and joined the army. Tolstoy served as a young artillery officer during the Crimean War and was in Sevastopol during the 11-month-long siege of Sevastopol in 1854–55, including the Battle of the Chernaya. During the war he was recognised for his bravery
Nikolai Tolstoy His relationship to the famous author Leo Tolstoy (1828–1910) is that of a distant cousin, as Leo Tolstoy was descended from Pyotr Andreyevich Tolstoy (1645–1729), the younger brother of Ivan. Tolstoy's great-grandfather, Pavel Tolstoy-Miloslavsky, was Chamberlain to the last reigning Emperor, Nicholas II of Russia, who had declared his intention of creating him a Count for his services, but this was deferred due to the growing crisis in Russia during the First World War. When Grand Duke Kiril succeeded to the imperial inheritance and rights, he granted Pavel Tolstoy-Miloslavsky the title, an elevation which was approved by the Dowager Empress