Forest's other regional rival is Sheffield United, situated in the neighbouring county of South Yorkshire, a rivalry which has roots in britain miners' strike of 1984–85 once the miners of South Yorkshire walked out on long strikes but some Nottinghamshire miners, who insisted on holding a ballot, ongoing to operate. https://k-o-nh-c-i-tv44308.luwebs.com/39474104/how-many-champions-league-titles-does-nottingham-forest-have-an-overview