Sheffield United Football Club, based in Sheffield, South Yorkshire, England, has a rich history dating back to its formation in 1889. The club plays its home matches at Bramall Lane, which is known as the oldest professional football ground in the world. Sheffield United is affectionately known as "The Blades," a nickname derived from the city's historical association with the steel industry. The club has had several notable accomplishments throughout its history. Sheffield United has won the English top-flight league title once, in the 1897-98 season. They have also been runners-up in the FA Cup four times, with their most recent appearance in the final being in 1936. Additionally, the club has had success in lower divisions, winning the second-tier league title four times. An interesting fact about Sheffield United is that they were one of the founding members of the Football League in 1888. The club has a strong fan base and enjoys a fierce rivalry with Sheffield Wednesday, with matches between the two clubs known as the Steel City Derby.