Thirty years back, in April, 1985, Plenum of ЦК of КПСС took place, on that М. С. Gorbachev declared program of wide reforms under the slogan of "acceleration of socio-economic development of country". These reforms led, as is generally known, to disintegration of the USSR, - to the "greatest geopolitical catastrophe of the XX century", on determination of В. В. Putin.Nikolay Ivanovich Рыжков in those years was Chairman of Council of Ministers of the USSR, member of Politburo of ЦК of КПСС. He is one of key witnesses in business about disintegration of Soviet Union. The value of testimonies of Н. И. Рыжкова consists of that he, by virtue of the position in the soviet state, knew many facts inaccessible to wide public. He asserts that crisis of economy on the last of peat-time of existence of the USSR, intensifying of political situation, kindling of international розни were investigation of purposeful actions destroyers of great power.In a plot against Soviet Union many representatives of the so-called elite participated: figures of politics, science and culture.