On February 21, 2018 The fifth international scientific conference , dedicated David the Builder, took place at GSTU, it was opened by the rector of the university, prof. Giorgi Sosiashvili, Prof. Eldar Mamistvalashvili, Pavel Libera,-a representative of Polish national scientific institute and Pavel Olshevski ,- a representative of History and International Relationship institute of Ian Kokhanovski University gave speeches at the conference. After plenary meeting, further work was continued in sections. 48 articles were presented at the conference.