Džok was born in 1990.

Džok's owner died in tragic circumstances of a heart attack.

The dog was waiting there for his master. Fed by the inhabitants of Krakow, it aroused surprise and sympathy. After about a year of waiting, he accepted a new owner, Maria Müller (widow of Władysław Müller). Maria died in 1998.

the animal escaped and, loitering around the railway area, died under the wheels of a moving train.

The creator of the monument sculpture is Bronisław Chromy. Her unveiling, on May 26, 2001.