Template:Celtic Union
Current flag of the Celtic Union, note this is the official up too date flag.
East Germany usage:
{{Flag of GDR |size=35px }}
result:
{{Flag of GDR |size=25px }}
result:
{{Flag of GDR}}
result:
When too use 35
Specifically when it is the main topic, like if it is the main belligerent in a war or in a infobox only linking too it.
When too use 25
When it is a sub-participant of a war, i.e not the main nation.