Johann Karl Hedlinger; Anna Ivanowna (1693-1740); Empress of Russia 1730; 1739; bronze; 2 3/8 in. (6 cm.); Johann Karl Hedlinger's medal of Tsarina Anna Ivanovna (1693-1740); niece of Peter the Great; commemorates the signing of a peace treaty with the Ottoman Empire in 1739. Anna; daughter of Ivan IV and niece of Peter the Great; briefly ruled the Russian Empire from 1730 until 1740. Despite her brief tenure; Anna led the Russian Empire to victory in two wars; the War of Polish Succession (1733-1735) and the Russo-Turkish War (1736-1739).