The club initially competed in the London League (Winners 1897–98) later joining the Southern League (Division 2 Champions 1898–99) and Western League (Western League Champions in 1907–08) before joining the full Football League in 1919. They enjoyed their first top flight season in 1923 and have never fallen outside the top two divisions. They have won the FA Cup three times: in 1964, 1975, and 1980, and have also been runners-up twice, in 1923 and 2006. The club have reached two major European finals, winning the European Cup Winners Cup in 1965 and finishing runners up in the same competition in 1976. West Ham also won the Intertoto Cup in 1999. The club were inaugural winners of the War Cup in 1940. Their best finish in the top flight was a third-place finish in 1986. West Ham have been runners up twice in the Football League Cup in 1966 and 1981, and shared the 1964 Charity Shield