The Kuvasz was not the only breed that suffered during WWI and WWII and the communist regime that followed. The Polish Tatra's story is shared here.
Click here: a-breed-that-refused-to-die-the polish tatra
The official name for the breed is
From: The Fédération Cynologique Internationale (FCI), the World Canine Organization, founded in 1911.
It's a breed of livestock guardian dog indigenous to southern Poland, originating in Podhale region, in the Tatra Mountain area of Poland, hence the breed's name. The breed should always be called the Polish Tatra to indicate it's from the Polish side of the Tatra Mountains, not the Slovakian side of the Tatra Mountains.