| 2019-07-05 | 
            
             
                Used https://en.wikipedia.org/wiki/Terminology_of_the_British_Isles to derive two overlapping hierarchies. Uses Wikidata IDs as codes.
                
                 
            
                  
                  Alex Tucker
                  committed 
  
    
      on 5 Jul 2019
    
  
                  
                 
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