Police XI was created in 1977.
The Xi Effect was created in 1950.
London XI was created in 1955.
Sigma Xi was created in 1886.
Theta Xi was created in 1864.
Ebase Xi was created in 2002.
The Totteridge XI was created in 1897.
Virtual XI was created in 1998-02.
Si Xi Lin Men Xi Ying Chun was created in 2004-01.
The King of Fighters XI was created in 2005.
XI Fighter Command was created in 1943.
Kings XI Punjab was created in 2008.
XI International Brigade was created in 1936.