The fourth issue of TABG Records is dedicated to the 500th anniversary of the glorious victory of our ancestors over the Moscow invaders on September 8, 1514. This issue contains materials from an interdisciplinary scientific conference held in Minsk on September 6, 2014:12 abstracts, as well as 11 reprints. Taken together, they provide answers to most of the controversial questions surrounding the Battle of Orsha and the events of the war of 1512-1522.