The first VFL matches played on Anzac Day occurred in 1960 following an Act of Parliament which lifted the previous restriction on this activity.[5] Over the years these games sometimes drew huge crowds, with the 1975 Carlton versus Essendon game attracting 77,770 fans to VFL Park, a then record for the day, while two years later in 1977 Richmond and Collingwood would easily surpass this, drawing 92,436 to the MCG.[5][6]
In 1986 the league used Anzac Day to attempt its first ever doubleheader. Held at the MCG, Melbourne and Sydney played in the afternoon, followed after a short break by a North Melbourne and Geelong match in the evening under lights; with a total crowd of only 40,117 and various logistical problems, the league has never attempted another doubleheader.[5][6] Through the years until the mid-1990s it was common for at least two matches to be played on the Anzac Day public holiday.[7]
[edit] History of Collingwood–Essendon Anzac Day clashThe modern version of the Anzac Day clash was conceived by then Essendon coach Kevin Sheedy while pottering in his garden in the mid-90s.[5] Sheedy, who had done two years service in the army after being drafted to Richmond in 1969, thought back to the success of the Collingwood–Richmond game in 1977, and considered how the football on Anzac Day could pay suitable tribute to those who had served their country.[5] Sheedy organised a meeting with officials from Essendon and Collingwood, and the then Victorian Returned and Services League (RSL) President Bruce Ruxton, who was also a keen Collingwood supporter, and proposed his concept for the match day and game which would honour the Anzac spirit.[5] Despite their previous opposition to football on Anzac Day, Ruxton and the RSL agreed with Sheedy's proposal, as did the AFL.[5]
The first annual Anzac Day match between Collingwood and Essendon was played on Tuesday, 25 April 1995 at the MCG. The round-four match received limited publicity as there had already been AFL matches played on 25 April. Essendon had won its first three games of the season, however, Collingwood were without a victory. Soon after the Anzac Day march in the city, patrons flocked to the ground. Crowds outside the ground were so substantial at 12.30 pm, that Collingwood coach Leigh Matthews thought the gates to the ground must have still been locked. When the gates were closed at 1.30 pm—still 40 minutes before the start of the match—20,000 additional people had to be dispersed by mounted police, while they attempted to gain admission into the stadium. Thousands of these people descended to the nearby Fitzroy Gardens, where they listened to the match on radio.
Played on a sunny autumn day, both teams kicked six goals in the first quarter. Before a three-goal-to-one second quarter helped Essendon lead by 16-points at half-time. However, the momentum swayed in the third-quarter, when Collingwood kicked seven-goals-to-two, giving them a 14-point lead at the break. Essendon started strongly in the final term, and when James Hird snapped a goal late in the quarter, he gave his team a six point advantage. Saverio Rocca leapt and took "one of the marks of the year" in the forward-line soon after. At the 28-minute mark he capitalised by kicking the goal and levelling the scores. With just seconds left, Nathan Buckley had an opportunity to score; however, he elected to kick to Rocca, who was cut off. Seconds later, the siren sounded; both team's score on 111. Roars from the 94,825 crowd during the match could easily be heard from a kilometre away; and the crowd remains the second-highest home and away crowd in VFL/AFL history, surpassed only by the 99,346 who attended the Collingwood–Melbourne Queen's Birthday clash in 1958.
Today, this game is often considered the biggest match of the AFL season outside of the finals, sometimes drawing bigger crowds than all but the Grand Final, and often selling out in advance.[8][9]
As a point of comparison, in the National Rugby League, the Sydney Roosters and St. George Illawarra Dragons have played on Anzac Day since 2002, but generally without the increase in crowd numbers compared to other games as seen in the AFL.[10]
http://en.wikipedia.org/wiki/Anzac_Day_clash
Quite clearly the nrl followed the AFL which followed thed the VFL.