ov ▁returned ▁to ▁his ▁liber ated ▁father land ▁in ▁ 1 8 7 8 , ▁released ▁by ▁imp lication ▁of ▁the ▁capit ulations ▁of ▁the ▁San ▁Stef ano ▁treat y . ▁ ▁Nik ola ▁O bre ten ov ▁was ▁eager ▁to ▁particip ate ▁in ▁the ▁construction ▁of ▁modern ▁Bulg aria . ▁He ▁was ▁a ▁member ▁of ▁the ▁Liberal ▁Party , ▁and ▁later ▁of ▁the ▁People ' s ▁Liberal ▁Party , ▁continu ing ▁his ▁co operation ▁with ▁Stefan ▁St amb ol ov . ▁He ▁served ▁as ▁a ▁governor ▁of ▁T ut rak an , ▁in ▁Sil istra ▁Province . ▁He ▁act ively ▁took ▁part ▁in ▁the ▁supp ression ▁of ▁the ▁Russ oph ile ▁ri ots ▁in ▁both ▁T ut rak an ▁and ▁R ous se . ▁ ▁In ▁May ▁ 1 9 0 7 ▁Nik ola ▁O bre ten ov ▁was ▁elected ▁to ▁parliament , ▁and ▁as ▁a ▁mayor ▁of ▁R ous se . ▁ ▁He ▁died ▁at ▁the ▁age ▁of ▁ 9 0 , ▁on ▁ 1 1 ▁October ▁ 1 9 3 9 , ▁a ▁couple ▁of ▁days ▁before ▁the ▁official ▁celebr ation ▁of ▁his ▁anni versary . ▁ ▁Nik ola ▁O bre ten ov ▁is ▁the ▁author ▁of ▁many ▁articles ▁in ▁the ▁press ▁and ▁the ▁author ▁of ▁the ▁book ▁" Mem ories ▁about ▁Bulgar ian ▁u pr is ings ", ▁published ▁after ▁his ▁death , ▁under ▁the ▁editor ship ▁of ▁academ ician ▁Mih ail ▁Ar na ud ov . ▁ ▁References ▁▁▁ ▁O bre ten ov , ▁Nik ola . ▁"