The square was, according to the chronicle, at the end of the XV century, when Ivan III ordered to demolish the wooden structures around the Kremlin, constantly threatening to fire him, and take this place for trade. Thus appeared the first name of the area - Trading. However, the so-called area for long. In the XVI century, it became known as the Trinity - at Holy Trinity Church, the site of which was subsequently erected St. Basil's Cathedral. Documents XVII century show that in those days, the area known as Fire. I must say that in Russia the same object can have multiple names. And the area of the Red (Dal from the dictionary that the word "red" in our ancestors meant beautiful, beautiful, excellent, best) officially became known only in the XIX century, although this name was mentioned in the documents of the XVII century. Different ages left their mark on the area. XV century - the Spasskaya Kremlin wall, towers of St. Nicholas and the Senate; XVI century - the place of execution, and St. Basil's Cathedral;