1909
- April 17 – At the end of the drawn Scottish Cup Final replay between Rangers and Celtic at Hampden Park, after it became clear there would be no extra time played, 6,000 fans invaded the pitch, resulting in a brawl between rival fans. Fans also brawled with and assaulted police and firefighters when they arrived, destroyed the goals and fencing, and lit numerous fires throughout the arena. It took authorities 2½ hours to break up the riots and bring the fires under control, by which time £1000 in damage had been done; 58 police officers and 60 other people were injured. The 1909 Scottish Cup and all medals were withheld.
- June 12 – At the end of a VFL match between Fitzroy and Melbourne at the Brunswick Street Oval, which was marred by numerous incidents of foul play, fans were involved in a large brawl on the field.
- July 17 – A brawl broke out between fans at the end of a VFL match between South Melbourne and Fitzroy at the Lake Oval.
- September 4 – During a VFL match between Collingwood and Melbourne at Victoria Park, a Collingwood fan jumped the fence and punched a Melbourne player in the face. Melbourne Club Secretary J.A. Harper ran onto the field and made a citizens' arrest.
Read more about this topic: List Of Violent Spectator Incidents In Sports