A group of officers of the Russian Imperial Guard prepare a revolt in December 1825, when about 3,000 officers and soldiers refused to swear allegiance to the new tsar.A group of officers of the Russian Imperial Guard prepare a revolt in December 1825, when about 3,000 officers and soldiers refused to swear allegiance to the new tsar.A group of officers of the Russian Imperial Guard prepare a revolt in December 1825, when about 3,000 officers and soldiers refused to swear allegiance to the new tsar.