Dmytro Hordiienko

Dmytro Serhiiovych Hordiienko (; born 8 March 1977) is a Ukrainian historian, source specialist, and scientist, 2013 Candidate of Historical Sciences. He introduced the historical term "Medieval Ukraine".

Biography Dmytro Hordiienko was born on 8 March 1977 in the town of Ponornytsia, now the Ponornytsia settlement hromada of the Novhorod-Siverskyi Raion, Chernihiv Oblast, Ukraine.

Hordiienko studied at the Faculty of Humanities of the National University of Kyiv-Mohyla Academy and the Faculty of History of Ivan Franko National University of Lviv.

Initiator and one of the organizers of the jubilee conference dedicated to the 200th anniversary of Taras Shevchenko's birth "Kyivska arkheohrafichna komisiia v istorii ukrainskoho natsionalnoho vidrodzhennia", which was held on 9 October 2014 at the Institute of Ukrainian Archeography. He established the exact date of Princess Olga's baptism.

Executive secretary of the editorial board and co-editor of the academic collections Ucrainica Mediaevalia, Nash Krym, Slavistychna zbirka, and others.

In 2013, Hordiienko defended his PhD thesis on Byzantine-Rus' relations.

Research interests: history of medieval Ukraine, state-building processes in the Ukrainian lands, Cossacks, Ukrainian emigration of the twentieth century.

Awards Jubilee Certificate of Honor of the Presidium of the National Academy of Sciences of Ukraine (2018) thanks to the Hetman Museum (2018) Diploma of the participant of the top 10 rating in the nomination "Sources of Biography" of the All-Ukrainian Library "Biographical Rating-2017" Vernadsky National Library of Ukraine (2018)