1919 - 1939: Northern Union to Rugby League
1908 to 1934: Twenty six years of struggle, finishing bottom of league five times and second bottom six times never finishing in the top half of the league saw Northern constantly requiring hand outs just to survive.
1933: In the midst of this depressing period Northern defeat the touring Australians. The match is played at Valley Parade due to poor condition of the Birch Land ground.
1933: Bradford Northern sign a ten year lease with the council for a former quarry being used as a waste dump at Odsal Top. Work begins to turn it into the largest stadium outside Wembley.
1934: Bradford Northern move to Odsal Stadium and play their first match there on September 1st. losing to Huddersfield before an estimated crowd of 20,000 the largest rugby attendance in Bradford since the Park Avenue days.
1938-9: The Halifax-Leeds Challenge Cup semi-final at Odsal on April 1st sets a new English attendance record of 64,453.