Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Centennial Hall in Wrocław' has mentioned 'Iron' in the following places:
Occurrence Sentence Text Source
In this proclamation king Frederick created also the Iron Cross award, which later became the most famous German military honor and symbol.
Looking from the inside, there is a clearly visible pattern of the Iron Cross[5] at the top of the dome; for this reason the centre of the structure was shrouded during the Communist era in Poland.