[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"event-plain-first-entry-into-european-competition-1958":3},"Shamrock Rovers became the first League of Ireland club to compete in a European competition when they played in the 1958-59 European Cup. They were drawn against Manchester United in the first round and, despite losing 9-2 on aggregate, it marked a significant step for Irish club football.",1789333840601]