The Russian era of transformation is a time of modernization of the country, moving from a patriarchal way of life - to an industrial one. The largest figure of this era, along with Peter the Great, was His Grace Prince Alexander Menshikov. However, the biography of the associate of the king-converter is a solid "white spot." Is it by chance? In Igor Agrantsev's book "Alexander Menshikov. Tsarevich without a throne" an attempt was made to recreate the true history of the life of the Most Serene. And the true story of the life of the Most Holy is the key to understanding the many secrets of Russian history.