1 5 ▁– ▁The ▁Queen ▁Isabel la ▁C ause way ▁in ▁Texas ▁col laps es ▁after ▁being ▁hit ▁by ▁a ▁t ug bo at , ▁killing ▁eight . ▁ ▁September ▁ 1 8 ▁– ▁A ▁series ▁of ▁anth ra x ▁attacks ▁commence ▁as ▁anth ra x ▁letters ▁are ▁ma iled ▁from ▁Pr inc eton , ▁New ▁Jersey ▁to ▁ABC ▁News , ▁CBS ▁News , ▁N BC ▁News , ▁the ▁New ▁York ▁Post , ▁and ▁the ▁National ▁En qu ir er . ▁ ▁October ▁▁▁ ▁October ▁ 3 ▁– ▁ 2 0 0 1 ▁Grey h ound ▁bus ▁attack : ▁A ▁passenger ▁sl its ▁the ▁thro at ▁of ▁the ▁driver , ▁causing ▁the ▁bus ▁to ▁crash ▁near ▁Manchester , ▁Tennessee , ▁killing ▁seven ▁people . ▁ ▁October ▁ 5 ▁– ▁Barry ▁B onds ▁of ▁the ▁San ▁Francisco ▁Gi ants ▁breaks ▁the ▁single ▁season ▁home ▁run ▁record , ▁with ▁his ▁ 7 1 st ▁and ▁ 7 2 nd ▁home ▁runs ▁of ▁the ▁year . ▁ ▁October ▁ 7 ▁– ▁The ▁United ▁States ▁inv ades ▁Afghan istan , ▁accompanied ▁by ▁other ▁nations ▁particip ating ▁in ▁Operation ▁End uring ▁Fre edom . ▁ ▁October ▁ 9 ▁– ▁The ▁ 2 0 0 1 ▁anth ra x ▁attacks ▁continue ▁as ▁cont amin ated ▁letters ▁are ▁ma iled ▁from ▁Pr inc eton , ▁New ▁Jersey , ▁to ▁U . S . ▁Sen ators ▁Tom ▁Das ch le ▁of ▁South ▁Dak ota ▁and ▁Patrick ▁Le ah y ▁of ▁Verm ont . ▁ ▁October ▁ 1 5 ▁– ▁NASA '