Complex sentence: Coolmore Stud, established in 1975, is the world's largest breeding operation of Thoroughbred racehorses, based in Fethard, County Tipperary in the Republic of Ireland.
Split into simpler sentences: Coolmore Stud, established in 1975, is the world's largest breeding operation of Thoroughbred racehorses. It is based in Fethard, County Tipperary in the Republic of Ireland.