 "Oireachtas Rince na Cruinne", or "The World Championships" (for An Coimisiún dancers), first took place in Dublin in 1970 at "Coláiste Mhuire", a school in Parnell Square.The "Worlds" outgrew its original location and moved around the Republic of Ireland and Northern Ireland.In 2002, for the first time, the "Worlds" left Ireland for Glasgow.