In many Croatian coastal cities, fresh water froze inside the pipes.
The group needed six more days to reach the Croatian port city of Split.
Varaždin is one of the few Croatian cities whose industry did not directly suffer from the war in 1991.
He was charged with ordering attacks on three Croatian cities.
During those 35 days, around 20 faculties and universities in 8 Croatian cities were occupied at some point.
Zadar is an important Croatian coastal city that has undergone a startling revival in recent years.
Epistle is named after the northern Croatian city of Varaždin.
The only other Croatian city with trams still in operation is Osijek.
"Retaliation against Croatian cities remains one of the most important aspects of our military strategy."
The army's demands, the statement said, "are an illegal act clearly aimed at the seizure of an indisputably Croatian city."