Year 1410 (MCDX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events of 1410 March 29 – The Aragonese capture Oristano, capital of the Giudicato di Arborea in Sardinia. July 15 – Battle of Grunwald (also known as Tannenberg or Zalgiris): Polish and Lithuanian forces under cousins Władysław Jagiełło of Poland and Vytautas the Great decisively defeat the forces of the Teutonic Knights, whose power's broke… (More on 1410)