Putin called the main strength of Russia on the day of national unity, the president congratulated the Russians and noted that harmony, mutual respect between the peoples of the country, their unity are the supporting structure of Russia's sovereignty and independence. "The concern for preserving the culture, customs and languages of every people is the basis of our national policy. We must constantly strengthen and protect multi-ethnic harmony, our common heritage," added Putin. Read more © Administration of the President of the Russian Federation.