Short answers, pulled from the story.
Sunderland AFC was founded by schoolmaster James Allan, initially as Sunderland and District Teachers A.F.C. The club is commonly believed to have been formed in October 1879, though evidence points to formal establishment on the 25th of September 1880.
Sunderland have won six top-flight league championships, in 1892, 1893, 1895, 1902, 1913, and 1936, all in the First Division. They have also been runners-up five times.
Sunderland play at the Stadium of Light in Monkwearmouth, which has a capacity of 49,000. The club moved there from Roker Park in 1997; the stadium was built on the site of the former Monkwearmouth Colliery.
Sunderland, then a second-division club, beat Don Revie's Leeds United 1-0 in the 1973 FA Cup Final. Ian Porterfield scored the only goal in the 30th minute, and goalkeeper Jimmy Montgomery was central to keeping Leeds out. It remains one of the most celebrated upsets in FA Cup history.
The record attendance at a Sunderland match is 75,118, set on the 8th of March 1933 at Roker Park during an FA Cup sixth-round replay against Derby County.
Sunderland returned to the Premier League in May 2025 after winning the Championship play-off final on the 24th of May 2025, beating Sheffield United 2-1 with a stoppage-time winner from Tom Watson. The club had been absent from the top division for eight years.