Centuries: 14th century - 15th century - 16th century
- April 25 - Battle of Hedgeley Moore - Yorkist forces under Lord Montague defeat Lancastrians under Sir Ralph Percy, who is killed.
- May 15 - Battle of Hexham - Montague defeats another Lancastrian army, this one led by King Henry and Queen Margaret themselves. This marks the end of organized Lancastrian existence for several years.
- End of the reign of Emperor Go-Hanazono of Japan
- Emperor Go-Tsuchimikado ascends to the throne of Japan