Complex sentence: The Nordic exhibition of Industry, Agriculture, and Art of 1888 was a joint-venture between 29 organisations and official institutions, with the weight on the private side, represented foremost by the Association of Copenhagen Industrialist.
Split into simpler sentences: The Nordic exhibition of Industry, Agriculture, and Art of 1888. Joint-venture between 29 organisations and official institutions, with the weight on the private side, represented foremost by the Association of Copenhagen Industrialist.