Saint Petersburg is a very young city in comparison with old European capitals and probably the only city in the world that has acquired so much historic significance in such a short time.
After spending 3 days in this beutiful city you will see the ancient Russian town Pskov which is being first mentioned in a chronicle of the year 903 as Pleskov. The town became important in the Middle Ages as a centre for trade between the interior of Russia and the Hanseatic seaports of the Baltic as it's only 30km from the Estonia border.
