Forest's other regional rival is Sheffield United, located 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 work. https://t-l-k-o-nh-c-i-576319.tinyblogging.com/5-simple-techniques-for-how-many-champions-league-titles-does-nottingham-forest-have-82681609