However, in the World Cup campaign in 2000 they wore a shirt featuring the Welsh flag, adding a touch of green and white.
For 26 years Wales competed against their two biggest rivals, England and France, in the European Nations Cup, winning the trophy four times.
Wales failed to qualify for the 2008 World Cup, being the second highest ranked side not to do so, having lost to Scotland on points difference over two matches.
For most of its history, Wales has been represented by the Great Britain national rugby league team in tours and world cups.
Wales, unlike England, would more often play separate test matches against the Australia or New Zealand tour opponents ahead of the Great Britain games.
Of the twelve players who played for the Other Nationalities team, as it was a 12-a-side game, ten of them were Welshmen coming from Northern English clubs.
From 1905 to 1910 Rugby League as a sport enjoyed growth, not just in Wales and England, but also on the east coast of Australia and in northern New Zealand.
When Albert Henry Baskerville's NZ All Golds with their guest Australian star Dally Messenger arrived in Britain for the inaugural tour by a southern hemisphere side, the first full international was against Wales on New Year's Day 1908.
The Welsh rugby league team were contesting their first national fixture, and managed to beat the touring Kiwis 9–8 in Aberdare in front of 20,000 spectators.
During and after the First World War many sports suffered, and rugby league in Wales was no exception, the team didn't play a match again until 1921.
It was in the 1920s that Jim Sullivan, one of three Welsh players to be enrolled into the Rugby League Hall Of Fame, started rising through the ranks at Wigan.
A career spanning 25 years saw him play many times for Wales picking up 26 caps, a record that was only beaten in 2010 by Ian Watson.
The next European Nations Cup brought better fortunes to the Welsh and they kicked off the competition, which was staged across Winter 1935 and 1936, with a 41–7 thrashing against France.
The team were cheered on by 25,000 people at Llanelli and three months later Wales did the unexpected and squeezed past England, winning 14–17 away at Hull.
This represents perhaps the highest point in Welsh rugby league history with great players such as Jim Sullivan, Gus Risman, Alan Edwards and Alec Givvons featuring.
In the 1938/1939 tournament, the last to be held for six years because of the Second World War, Wales beat their main rivals England before dramatically losing 16–10 in Bordeaux against Les Tricolores.