sentence1: Belchertown was first settled in 1731 and was officially incorporated in 1761 as Cold Spring , later the name was changed to Belcher 's Town , and then Belchertown .
sentence2: Belchertown was first inhabited in 1731 and was officially mentioned as Cold Spring in 1761 , later the name was changed to Belcher 's Town and then to Belchertown .