The actual area was at times increased to encompass other teams from outside the county such as Newcastle, Mansfield, Coventry, and even London (in the form of Acton & Willesden).
The only exception to this was when disruption of the fixture list was caused during, and immediately after, the two World Wars.
Hull Kingston Rovers – The club dropped out of the wartime Lancashire league after the ‘first (1939–40) season.
Managed by Eddie Waring, and with the side boosted by the inclusion of a number of big-name guest players, the club won the Wartime Emergency League in 1941–42 and again the following season 1942–43 (though that championship was declared null and void when it was discovered they had played an ineligible player).
This was the first Yorkshire Cup match to be played by Wigan and the first at Central Park 3 * Fartown was the home ground of Huddersfield from 1878 to the end of the 1991-92 season to Huddersfield Town FC's Leeds Road stadium, and then to the McAlpine Stadium in 1994.