[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"event-plain-formation-of-the-irish-rugby-football-union-irfu-1879":3},"The Irish Rugby Football Union (IRFU) was formed in 1879 through the merger of the Irish Football Union and the Northern Football Union of Ireland. It was officially launched on February 5, 1880, making it the third oldest rugby union in the world.",1789333838353]