tsaritsacatherine: Ivan III Vasilyevich, also known as Ivan the Great, was a Grand Prince of Moscow
tsaritsacatherine: Ivan III Vasilyevich, also known as Ivan the Great, was a Grand Prince of Moscow and Grand Prince of all Russia. Ivan III’s success in making Moscow the centre of Russian power earned him the title “the Great.” He was the first ruler to use the titles of Tsar and ‘Ruler of all Russia.’ Ivan III died on 27 October 1505 and was succeeded by his son Vasiliy III. -- source link