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Vladimir 1 Svyatoslavovich: historical portrait
Vladimir 1 Svyatoslavovich: historical portrait

Vladimir 1 Svyatoslavovich from 970 to 988 was the Prince of Novgorod. In 978 he took possession of Kyiv and ruled there until 1015. Vladimir 1 Svyatoslavovich carried out the baptism of Russia. In the face of the saints he was glorified as equal to the apostles. In Russian Orthodoxy, July 15 is considered the day of his memory

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Benefit performance is a performance that generates income
Benefit performance is a performance that generates income

The polysemantic word "benefit performance" has taken root in Russia mainly as a theatrical concept. Literature lovers are well aware that in the 19th century this was the name of a performance that was staged for the sake of one actor: he not only received income from the performance, but he himself could choose a play to stage

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  • Portrait of Kutuzov, basic touches
    Portrait of Kutuzov, basic touches

    A huge amount of literature has been written about this historical figure, because it is he who is considered the main author of the victory in the Patriotic War of 1812, this is how he, in particular, is shown in the great novel "War and Peace"

  • Famous sayings. Suvorov about the army, soldiers, tactics
    Famous sayings. Suvorov about the army, soldiers, tactics

    The article is devoted to a brief review of the biography and statements of the famous Russian commander and generalissimo A.V. Suvorov

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Audio frequency range. The relationship between the frequency of a sound wave, its length and speed
Audio frequency range. The relationship between the frequency of a sound wave, its length and speed

Now there are a lot of opportunities on the Internet to test your hearing acuity online. To do this, you need to start a video with sound, the frequency of which is increasing. The creators of the test recommend testing with headphones so that extraneous noise does not interfere. The audio frequency range in the video starts with such high values that only a few can hear. Further, the frequency of the sound gradually decreases, and at the end of the video, a sound is heard that even a person with hearing loss can hear