sentences:  1999 Russian bombing of Chechnya
  
  The 1999 Russian bombing of Chechnya was Russian Air Force's military operation against the Chechen Republic of Ichkeria that was a prelude to the main part of the Second Chechen War.In late August and September of 1999, Russia mounted a massive air campaign over Chechnya, with the stated aim of wiping out militants who invaded Dagestan the previous month.