The Split synagogue, dating back to the beginning of the sixteenth century, is still in use today.
Situated at the entrance to the former ghetto, within the walls of the northwestern part of Diocletian's palace, the building had been a church before it was rented and later sold to the Jews.
The largest concentration of Jews ― about 5 million ― was located there, representing 40% of the Jewish population worldwide.
The Osijek synagogue was partly destroyed by the German invading forces.
Three days after the German occupation, local Croatians and ethnic Germans joined the German troops and helped demolish the building.
Nick Worsley, Ahmed’s barrister, said the teenager witnessed similar behaviour from his father, which may have led to him believing it was acceptable.
Both Hussein and Ahmed said they were ashamed and said sorry for what happened.
The brothers gave their mother and sister a bucket of water to wash themselves with during the 18-month period of abuse.