The rivalry escalated in 1919 when, after World War I, the First Division was to be expanded by two teams, and the League held a meeting of the clubs to decide the two clubs by means of a vote. 19th-placed Chelsea, who would otherwise have been relegated, were allowed to stay and thus they took the first of the two spots. The second spot could have been awarded to 20th-placed Tottenham, or Barnsley, who had finished third in the Second Division, but Arsenal (along with four other clubs) also bid for the place, despite their only finishing sixth in Division Two, although an error in the calculation of goal average meant Arsenal had actually finished fifth, an error which was corrected by the Football League in 1980.