 
 | Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1456 by topic | 
|---|
| Arts and science | 
| Leaders | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1456 in poetry | 
Year 1456 ( MCDLVI ) was a leap year starting on Thursday of the Julian calendar.
 This article incorporates text from a publication now in the  public domain : Herbermann, Charles, ed. (1913). "Gennadius II".  Catholic Encyclopedia . New York: Robert Appleton Company.
 This article incorporates text from a publication now in the  public domain : Herbermann, Charles, ed. (1913). "Gennadius II".  Catholic Encyclopedia . New York: Robert Appleton Company.{{cite book}}:  CS1 maint: location missing publisher (link)