Constantine Nikolaevich of Russia was a member of the Russian imperial family, born on September 8, 1827. He was the second son of Grand Duke Nicholas Nikolaevich of Russia and Princess Alexandra of Saxe-Altenburg. Although he held the title of Grand Duke, he is often remembered for his role in the military and his involvement in various social reforms. Constantine was known for his progressive views and support for modernization in Russia. He served in the Russian Navy and was involved in several military campaigns. Despite his noble lineage, he chose to live a relatively modest life and was dedicated to improving the welfare of his countrymen.