Poludino is the location of Poludinskaya fortress, which was founded at the same time as Petropavlovsk in 1752. According to one version, it got its name because the topographicexpedition arrived from Petropavlovsk at noon. The Poludinskaya fortress was located between Petropavlovsk and the Lebyazhinskaya fortress, and in addition to them, there were several more redoubts on this section of the Presnogorkovskaya fortified line. The fortress was built according to the method of the French engineer Vaubon. After 100 years, the fortress was liquidated as unnecessary. The village of Poludennaya, which arose in this way, later became a volost center.