Forest's other regional rival is Sheffield United, based in the neighbouring county of South Yorkshire, a rivalry that has roots in britain miners' strike of 1984–85 when the miners of South Yorkshire walked out on long strikes but some Nottinghamshire miners, who insisted on Keeping a ballot, continued to work. https://xem-b-ng-tr-c-ti-p-k-o-nh18405.mybuzzblog.com/18672033/everything-about-how-many-champions-league-titles-does-nottingham-forest-have