<p>The definitive history of Sunderland AFC.<br><br>Formed by a group of teachers nearly 150 years ago in 1879, Sunderland AFC have a long and storied history in English football. The club has won six top-flight titles, only five other teams have won more, and they have lifted the FA Cup twice - once in 1937 and once in 1973.<br><br>The Black Cats are renowned for having one of the largest and most loyal fan bases in the country, and records have...