Having struggled in the competition prior to 1900, the Welsh side started the 20th century with considerably more success.
They recorded two second-place finishes and winning their first Championship in the 1906–07 tournament in which they won their opening two matches before drawing with England in their final fixture, while Wales' Lot Jones was the competition's top goalscorer.
[2] A second-place finish in the 1908–09 championship was the highest-placed result Wales subsequently achieved during the time period.
[1] In March 1912, Wales played their 100th official international fixture, losing 1–0 against Scotland at Tynecastle Park.
[8] The team's inconsistent performances were partly attributed to the reluctance of Football League sides to release Welsh players for international duty, with FAW secretary Ted Robbins being highly critical of both the league and its teams during the period.