1st Rugby League World Cup tournament
Source (Wikipedia): 1954 Rugby League World Cup

The 1954 Rugby League World Cup was rugby league’s first World Cup and was held between 30 October and 13 November and hosted by France and was won by Great Britain who beat France in the final at the Parc des Princes in Paris. As it was the first official World Cup of either rugby code it was officially known as the Rugby World Cup.