Despite the title, this article is not devoted to the private arsenal of the Russian tsars. Throughout history, there has been a number of weapons that have taken the name of "Tsar", and not because of their owner, but because of its size and destructive capacity. In other words, today we will talk about huge weapons in Russian history.

In a short period, two Soviet soldiers saved everyone on planet Earth. One of them was Stanislav Petrov, who discovered a fake nuclear attack. Today we will discover a similar story in which, thanks to a man born in Russia the history of mankind avoided a nuclear war. He was a person who knew how to stay calm in a crucial moment for life on Earth.