The traditional account makes Saint Servatius its founder.
[1] In 380 it was renamed as Diocese of Tongeren and Maastricht, acknowledging a secondary see (in the present Netherlands).
In 530 it was formally suppressed, its territory being used to establish the Diocese of Maastricht, which in turn was suppressed in 720 to establish the Diocese of Liège, but would be nominally revived (separately) in 1971 as a Latin titular see of episcopal rank.
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