9 8 5 ▁– ▁The ▁Val ▁di ▁St ava ▁dam ▁col laps es ▁killing ▁ 2 6 8 ▁people ▁in ▁Val ▁di ▁St ava , ▁Italy . ▁ 1 9 8 9 ▁– ▁United ▁Airlines ▁Fl ight ▁ 2 3 2 ▁crashes ▁in ▁Si oux ▁City , ▁Iowa ▁killing ▁ 1 1 1 . ▁ 1 9 9 2 ▁– ▁A ▁car ▁bomb ▁k ills ▁Judge ▁Paolo ▁B ors ell ino ▁and ▁five ▁members ▁of ▁his ▁esc ort . ▁ 1 9 9 7 ▁– ▁The ▁Tr ou bles : ▁The ▁Pro vis ional ▁Irish ▁Republican ▁Army ▁res umes ▁a ▁ce ase fire ▁to ▁end ▁their ▁ 2 5 - year ▁par amil it ary ▁campaign ▁to ▁end ▁British ▁rule ▁in ▁Northern ▁Ireland . ▁ 2 0 1 4 ▁– ▁Gun men ▁in ▁Egypt ' s ▁western ▁desert ▁province ▁of ▁New ▁Valley ▁Governor ate ▁attack ▁a ▁military ▁check point , ▁killing ▁at ▁least ▁ 2 1 ▁soldiers . ▁Egypt ▁reported ly ▁decl ares ▁a ▁state ▁of ▁emer gency ▁on ▁its ▁border ▁with ▁Sud an . ▁ ▁B irth s ▁▁ 8 1 0 ▁– ▁Muhammad ▁al - B uk h ari , ▁Pers ian ▁scholar ▁( d . ▁ 8 7 0 ) ▁ 1 2 2 3 ▁– ▁Ba ib ars , ▁s ultan ▁of ▁Egypt ▁( d . ▁ 1 2 7 7 ) ▁ 1 4 2 0 ▁– ▁William ▁VIII , ▁Mar qu ess ▁of ▁Mont fer rat ▁( d . ▁ 1 4 8 3 ) ▁ 1