Rounders was first codified by the Gaelic Athletic Association in Ireland and included in the first GAA Charter in 1884.
It is also played in England, Wales and Australia and the GAA held its first Alpen Cup in Italy between two GAA clubs in Italy & Switzerland and a local Softball Club.
Below you will find links to World Rounders competitions:
GAA Rounders World
GAA Rounders Alpen Cup Mixed (Seasons): 2017
Rounders in Britain
Rounders England Regional Leagues
South Yorkshire Rounders League Cup (Seasons): 2005
Rounders in Leeds League (Seasons): 2018
Home Internationals (U16-Adult): 2007
Home Internationals (U14-15): 2007
Home Internationals (Eng-Sco-Wal) U13-U14 (Seasons): 2007
Home Internationals (Sco-Eng-IOM) U13-U14 (Seasons): 2007