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 once the miners of South Yorkshire walked out on extensive strikes but some Nottinghamshire miners, who insisted on holding a ballot, continued to work. https://holdenfbvrk.vidublog.com/37510560/little-known-facts-about-how-many-champions-league-titles-does-nottingham-forest-have