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Usman

Usman stands on the river from which it takes its name, south of Lipetsk. Founded in 1645 as an #italic ostrog#!, or fortified stockade, it formed part of the Belgorod Line built to defend Russia's southern frontier against raids from the steppe. The defences did not end the danger at once: Tatars attacked Usman in 1652. As the frontier moved farther south and new lines were built, the settlement outgrew its original military role and received town status in 1779.

References

  1. en.wikipedia.org/wiki/Usman,_Russia
  2. en.wikipedia.org/wiki/Michurinsk