The Tsar Bell, also known as the Tsarsky Kolokol, Tsar Kolokol III, or Royal Bell, is a 6.14-metre-tall, 6.6-metre-diameter bell on display on the grounds of the Moscow Kremlin. The bell was commissioned by Empress Anna Ivanovna, niece of Peter the Great. It has never been in working order, suspended, nor rung. Wikipedia