<P> This is a list of seasons played by Swansea City Association Football Club in English and European football . It covers the period from the club's inaugural season in 1912, to the end of the last completed season . It details the club's achievements in all major competitions, together with top scorers . Details of the abandoned 1939--40 season and unofficial Second World War leagues are not included . </P> <P> Swansea have won the League Cup once, the Football League Trophy twice and the Welsh Cup 10 times . They have also qualified for UEFA Cup Winners' Cup 7 times and the UEFA Europa League once . In 2011, Swansea became the first Welsh club to play in the Premier League . </P> <P> The club was founded in 1912 as Swansea Town, and were elected to The Football League for the 1920--21 season . The club changed their name in 1969, when it adopted the name Swansea City to reflect Swansea's new status as a city . </P>

When did swansea get promoted to the premier league