Year 1293 (MCCXCIII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events of 1293 May 20 – King Sancho IV of Castile creates the Studium General, forerunner to the modern Complutense University of Madrid. May 26 – An earthquake in Kamakura, Japan kills an estimated 30,000. December – Mamluk sultan of Egypt Khalil's assassinated by his regent Baydara, who briefly claims the sultanate before being assassinated himself by… (More on 1293)