The Unknown War (book)
| Author | Hienadz Sahanovich | 
|---|---|
| Language | Belarusian | 
| Genre | Military history, History | 
| Publisher | Navuka i Tehnika | 
Publication date  | 1995 | 
| Publication place | Belarus | 
| Media type | Print (Hardcover) | 
| ISBN | 5-343-01637-5 | 
| OCLC | 36221525 | 
The Unknown War is a military history book written by Hienadz Sahanovich. It describes the events of the war between Tsardom of Russia and the Polish–Lithuanian Commonwealth in 1654-67. The war has become known as a part of the "Deluge", a series of military conflicts that overwhelmed the Polish–Lithuanian Commonwealth in the middle of the 17th century which included the Khmelnytsky Uprising, the Swedish invasion, and the Russian invasion among others.