Croatian nuns

thumb|300px|right|Čika's Prayer Book from 1066 Čika (Zadar, first half of 11th century – Zadar, after 1095; Latin: Chicca) was a Croatian benedictine nun, founder of the benedictine monastery of St. Mary Church in Zadar. She is also known for the illuminated prayer book known as Čika's book of hours, the oldest prayer book for personal use in Europe.

concentration camp for children of the Independent State of Croatia