Grand Duke Nicholas Nikolaevich of Russia was a prominent member of the Romanov family, born on November 18, 1856. He was the son of Grand Duke Nicholas Nikolaevich and Princess Alexandra of Saxe-Altenburg. Nicholas served as a military leader during World War I, holding the position of Commander-in-Chief of the Russian Army from 1914 to 1915. Nicholas was known for his dedication to the Russian military and his efforts to modernize its operations. However, his leadership faced criticism, and he was eventually replaced due to the army's struggles. He lived in exile after the Russian Revolution and died on January 5, 1929, in France.