An outstanding specialist in applied mathematics, interdisciplinary research, philosophy and methodology of science, corresponding member of the Russian Academy of Sciences Sergei Pavlovich Kurdyumov used to say: “The future tenses the present and clarifies the past”. In addition, the next generations arrive and there is a desire to communicate them the results, hopes, dreams of the previous generations and, if possible, to protect them from already made mistakes. Just from this perspective now we would like to look at the scientific work of Sergei P. Kurdyumov, at the ideas put forward by him and being developed now by his scientific school.

The article represents a brief digression in the history of friendship between the world nations in general and not only one sixth part of the land.

September 11, 1973 in Chili was a military coup. It was not the usual type of rebellion garrison, and well-planned military operation, the of which was made a combined attack using aircraft, artillery and infantry. The rebels were immediately engaged all public and government agencies. The officers refused to support the coup were shot. In a coup toppled President Salvador Allende and the ruling National Unity. To power a military junta, led by General Augusto Pinochet, who succeeded General Cаrlos Prats, a prominent military and political statesman of Chili, which will be discussed in this article. The article tells about the time of his command of the Chilean army, and climax in his military career. His role in the dramatic events which took place in Chile in the 70th of the XX century. Also shows traces of his personal diary, in which General Prats wrote that meant for his country during the government of Salvadore Allende and what was the real role of the armed forces in the political process of the country.

In article is told about events of 1944, in particular – about the conclusion of the Soviet-French contract on a military alliance against Germany.

The purpose of the article is to draw attention to the personality and work of S.A. Pervushin, to show how the memory and the Internet have preserved him in the context of N.D. Kondratiev’s long waves.

The purpose of the article is to draw attention to the personality and work of S.A. Pervushin, to show how the memory and the Internet have preserved him in the context of N.D. Kondratiev’s long waves.