Australian rules football is the most highly attended spectator sport in Australia. Its core support lies in four of the six states: Victoria, South Australia, Western Australia and Tasmania. Originating in Melbourne in the late 1850s and codified in 1859, the sport is the world's oldest major football code. The national competition, the Australian Football League (AFL), evolved from the Victorian Football League in 1990, and has expanded to all states except Tasmania. The AFL Grand Final is traditionally played on the last Saturday of September at the Melbourne Cricket Ground, the sport's "spiritual home". Australian rules football culture has a strong set of rituals and traditions, such as kick-to-kick and . International rules football is a hybrid sport of Australian football and Gaelic football devised to facilitate matches between Australia and Ireland.