▁co - ext ensive ▁with ▁the ▁district ▁of ▁B ous sem gh oun , ▁and ▁has ▁a ▁population ▁of ▁ 2 , 4 8 0 ▁which ▁gives ▁it ▁ 7 ▁seats ▁in ▁the ▁P MA . ▁Its ▁postal ▁code ▁is ▁ 3 2 3 2 0 ▁and ▁its ▁municipal ▁code ▁is ▁ 3 2 1 3 . ▁ ▁The ▁people ▁of ▁B ous sem gh oun ▁speak ▁a ▁Ber ber ▁dialect , ▁locally ▁term ed ▁" Ch el ha " ▁or ▁" T ach el hit "; ▁as ▁of ▁ 2 0 0 4 , ▁this ▁remained ▁in ▁regular ▁use , ▁in ▁contrast ▁with ▁some ▁neighbour ing ▁villages ▁where ▁the ▁use ▁of ▁Ber ber ▁is ▁reported ▁to ▁be ▁decl ining . ▁ ▁The ▁o asis ▁is ▁a ▁centre ▁of ▁the ▁T ij ani yy ah ▁order , ▁which ▁was ▁founded ▁there ▁by ▁S idi ▁A hm ad ▁al - T ij ani ▁in ▁ 1 7 8 2 ; ▁it ▁has ▁a ▁T ij ani yy ah ▁za ou ia . ▁ ▁The ▁earliest ▁known ▁historical ▁mention ▁of ▁B ous sem gh oun ▁is ▁by ▁I bn ▁Kh ald un , ▁in ▁reference ▁to ▁a ▁ra id ▁in ▁ 1 3 7 0 . ▁ ▁References ▁ ▁Category : Pop ulated ▁places ▁in ▁El ▁Bay ad h ▁Province ▁Category : Comm unes ▁of ▁Al ger ia <0x0A> </s> ▁Ib ▁N iel sen ▁( 1 3 ▁July ▁ 1 9 1 9 ▁– ▁ 2 1 ▁November ▁ 1 9 9 4 ) ▁was