Template:D R Congo C20 estab by decade/doc

Usage
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 * Examples

 

In this case, the parent categories will be Category:Establishments in the Belgian Congo by decade and Category:20th-century establishments in the Belgian Congo.

 

 

In these cases, the parent categories will be Category:Establishments in the Democratic Republic of the Congo by decade and Category:20th-century establishments in the Democratic Republic of the Congo.