▁Pro files ▁▁▁ ▁Category : Pro vin ces ▁of ▁the ▁Philippines ▁Category : St ates ▁and ▁territ ories ▁established ▁in ▁ 1 9 6 0 ▁Category : 1 9 6 0 ▁establish ments ▁in ▁the ▁Philippines <0x0A> </s> ▁The ▁ 1 8 6 7 ▁flo od ▁of ▁Ch att ano oga ▁is ▁the ▁largest ▁flo od ▁in ▁the ▁city ' s ▁recorded ▁history . ▁The ▁flo od ▁followed ▁a ▁period ▁of ▁heavy ▁rain ▁that ▁affected ▁most ▁of ▁the ▁Tennessee ▁Valley ▁and ▁last ed ▁from ▁March ▁ 7 ▁to ▁March ▁ 1 1 , ▁ 1 8 6 7 . ▁At ▁its ▁highest ▁point , ▁the ▁water ▁of ▁the ▁Tennessee ▁River ▁cr ested ▁ ▁above ▁its ▁normal ▁level , ▁and ▁it ▁in und ated ▁much ▁of ▁the ▁city . ▁As ▁a ▁result ▁of ▁the ▁flo oding , ▁Ch att ano oga ' s ▁residents ▁began ▁to ▁raise ▁the ▁city ' s ▁street ▁level ▁by ▁about ▁one ▁story . ▁ ▁Meteor ology ▁ ▁The ▁flo od ▁of ▁ 1 8 6 7 ▁took ▁place ▁before ▁reliable ▁methods ▁of ▁meteor ological ▁data ▁recording . ▁However , ▁it ▁is ▁known ▁that ▁days ▁before ▁the ▁flo od , ▁a ▁large ▁area ▁of ▁Southern ▁App al ach ia ▁including ▁Tennessee , ▁North ▁Carolina , ▁and ▁Georgia ▁experienced ▁the ▁same , ▁large ▁storm . ▁The ▁trem end ous ▁amounts ▁of ▁rain water ▁combined ▁with ▁the ▁mel ting ▁snow ▁caused ▁the ▁trib ut aries ▁and ▁rivers ▁of ▁the ▁Tennessee ▁Valley ▁to ▁sw ell . ▁In ▁Ch att ano oga , ▁the