Newcastle United Football Club is an English professional football club in Newcastle upon Tyne, Tyne and Wear, that plays in the Premier League, the top tier of English football. Founded in 1892 by the merger of Newcastle East End and Newcastle West End, they have played at St James' Park since. The ground was developed into an all-seater stadium in the mid-1990s and now has a capacity of 52,354. The club has been a member of the Premier League for all but three years of the competition's history, spending 86 seasons in the top tier as of May 2018, and has never dropped below English football's second tier since joining the Football League in 1893. They have won four League Championship titles, six FA Cups and a Charity Shield, as well as the 1969 Inter-Cities Fairs Cup and the 2006 UEFA Intertoto Cup, the ninth highest total of trophies won by an English club.[4] The club's most successful period was between 1904 and 1910, when they won an FA Cup and three of their First Division titles. The club was relegated in 2009 and 2016, but returned to the Premier League for the 2017–18 season.