Complex sentence: In February 1967 the Polish Sports Festival held it's first event at the venue with spectators reaching 3,000, such a success that this established the Polish community to call Chirnside Park home for its Sports Festivals for the next 9 years until 1976.
Split into simpler sentences: In February 1967 the Polish Sports Festival held its first event at the venue, with spectator numbers reaching 3,000. It was such a success that it caused the Polish community to call Chirnside Park home for its sports festivals for the next nine years, until 1976.