The experimental set-up, methods and results on the synthesis and identification of the new isotope (265)(107)Bh are presented in this paper. The new isotope was produced by the complete fusion-evaporation reaction of Am-243 with 135 MeV (26)Mgbombardement at the Sector Focus Cyclotron of Heavy Ion Research Facility Lanzhou. The reaction products were transported and collected using helium-jet technique and a set of rotating wheel system. The identification of the new isotope was made by observing of correlated α-particle decays chain between the new isotope (265)Bh and its (261)Db and Lr-257 daughters. A total of 8 correlated decay events of (265)Bh and 4 decay events of (264)Bh were observed. The new nuclide (265)Bh has a half-life of 0.94 (+0.70)(-0.31) s and decays by alpha-particle emission with decay energy of E-α = (9.-24 0.05) MeV. The half-life and a decay energy of (265)Bh from this expertment are consistent with theoretical predictions.