Boris Yeltsin — Russian Statesman born on February 01, 1931, died on April 23, 2007

Boris Nikolayevich Yeltsin was a Russian politician and the first President of the Russian Federation, serving from 1991 to 1999. Originally a supporter of Mikhail Gorbachev, Yeltsin emerged under the perestroika reforms as one of Gorbachev's most powerful political opponents. During the late 1980s, Yeltsin had been a member of the Politburo, and in late 1987 tendered a letter of resignation in protest. No one had resigned from the Politburo before. This act branded Yeltsin as a rebel and led to his rise in popularity as an anti-establishment figure... (wikipedia)

There were no strategic mistakes that could affect Russia's history and it further development. No, there were no such mistakes. Tactical errors were made in some less significant options, problems and so on. But, on the whole, Russia embarked on a correct path and it changed.
Your commanders have ordered you to storm the White House and to arrest me. But I as the elected President of Russia give you the order to turn your tanks and not to fight against your own people.
We don't appreciate what we have until it's gone. Freedom is like that. It's like air. When you have it, you don't notice it.
You can build a throne with bayonets, but you can't sit on it for long.
Let's not talk about Communism. Communism was just an idea, just pie in the sky.