Forest's other regional rival is Sheffield United, based in the neighbouring county of South Yorkshire, a rivalry which has roots in britain miners' strike of 1984–85 when the miners of South Yorkshire walked out on extensive strikes but some Nottinghamshire miners, who insisted on holding a ballot, ongoing to operate. https://konhcitv62840.blogdosaga.com/38641850/everything-about-how-many-champions-league-titles-does-nottingham-forest-have