Complex sentence: Australia has a long history of regional and state-based knockout cup competitions, however the realisation of a national knockout cup competition to replicate competitions such as the English FA Cup held in other countries has been a hard dream to realise.
Split into simpler sentences: Australia has a long history of regional and state-based knockout cup competitions. The realisation of a national knockout cup competition to replicate competitions such as the English FA Cup held in other countries, however has been a hard dream to realise.