Year 1388 (MCCCLXXXVIII) was a leap year starting on Wednesday (link will display full calendar) of the Julian calendar. Events 1388 Hijri Shamsi (Khorshidi) – from 21 march 2009 to 21 march 2010 AD – [Noruz], [Norooz] February – The entire court of Richard II of England are convicted of treason by the Merciless Parliament, under the influence of the Lords Appellant, and are all either executed or exiled. Richard II effectively becomes a puppet of the Lords Appellant. Aug… (More on 1388)