▁part ▁in ▁the ▁amb ush . ▁ ▁September ▁ 1 6 ▁– ▁A ▁large ▁bomb ▁expl odes ▁in ▁Kab ul ▁resulting ▁in ▁the ▁death ▁of ▁three ▁international ▁troops ▁( including ▁a ▁U . S ▁Army ▁Major ) ▁and ▁five ▁inj uries . ▁ ▁September ▁ 2 1 ▁– ▁Afghan istan ' s ▁rival ▁president ial ▁candidates , ▁Ash raf ▁Gh ani ▁and ▁Abd ul lah ▁Abd ul lah , ▁sign ▁a ▁power - sh aring ▁deal ▁that ▁establish es ▁a ▁unity ▁government ▁with ▁Gh ani ▁as ▁President ▁and ▁Abd ul lah ▁as ▁Chief ▁executive . ▁ ▁September ▁ 2 6 ▁– ▁The ▁Tal ib an ▁g ains ▁control ▁of ▁the ▁A j rist an ▁District ▁in ▁Gh az ni ▁Province ▁after ▁a ▁week ▁of ▁battle . ▁ ▁September ▁ 2 9 ▁– ▁Ash raf ▁Gh ani ▁is ▁sw orn ▁in ▁as ▁new ▁president ▁of ▁Afghan istan . ▁ ▁September ▁ 3 0 ▁– ▁A ▁double ▁suic ide ▁attack ▁killed ▁seven ▁people ▁and ▁wounded ▁ 2 1 ▁others ▁including ▁Afghan ▁soldiers ▁in ▁Kab ul . ▁ ▁September ▁ 3 0 ▁– ▁the ▁US ▁and ▁Afghan istan ▁signed ▁the ▁Bil ater al ▁Security ▁Ag re ement ▁( B SA ). ▁A ▁similar ▁agreement ▁(" status ▁of ▁forces ▁agreement ") ▁was ▁signed ▁the ▁same ▁day ▁with ▁the ▁NAT O . ▁ ▁October ▁ ▁October ▁ 1 ▁– ▁Tal ib an ▁suic ide ▁bom bers ▁attack ▁an ▁Afghan ▁National ▁Army ▁con voy ▁in ▁Kab ul , ▁killing ▁at ▁least ▁seven ▁people ▁and ▁inj uring ▁ 1 9