National Rugby League Sporting event Premier competition of professional rugby league football clubs in Australasia. Milestone Date of event 1997 - {"name":"Date of event","target":"","target_text":null,"date":{"#markup":"<span class='date'>1997<\/span><span class='separator'> - <\/span><span class='date'><\/span>"},"date_start":"1997-01-01","date_end":null} Type Sporting event {"name":"Sporting event","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}