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St Petersburg was once referred to as Petrogard till after the Russian revolution.
<h3>Where is saint Petersburg?</h3>
This [place is a historical town that is found in the Northern extreme part of Russia.
The area is known to have had a change of name after the Russian revolution of the year 1917. The town only got to be called Petrogard for a period of 10 years.
Read more on St. Petersburg here:
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Leapfrogging also know as island hopping is a military strategy employed by the Allies in the Pacific war against Japan during world war 2
Urban development becouse f increase in population and etc.
