sentences: "Oireachtas" was being used to refer to a large competition by the end of the 19th century, particularly the competitions organised in the Dublin area.With the formation of An Coimisíun in 1930, these championships took on extra significance for dancers registered with the organisation, and, after their first Oireachtas Rince na Cruinne (World Championships) in 1970, many oireachtais became qualifying events for the Worlds.