Thizica was a civitas in the Roman province of Africa Proconsularis. It served as a Roman Catholic diocese. The city's ruins are located at present-day Techga or Tchegga in northern Tunisia.J. Mesnage, L'Afrique chrétienne, Paris 1912, p. 156

Bishopric The names of two early bishops of the see are known: Novellus (mentioned by Saint Augustine of Hippo as condemned to death by Donatists (heretics) in 313) Vitalia (mentioned in 646)

The modern use of the diocese as a titular see began in 1967. There have been four bishops since that time: Edwin Broderick (March 1967 – March 1969) Alfonso Nava Carreón (May 1969 – March 1990) Edwin Frederick O'Brien (February 1996 – March 1998) Louis Dicaire (February 1999 – July 2020) Fernando Ortega (August 2023-present)

Of these, O'Brien held the personal title of archbishop.

References

Sources and external links Harnack, 89-96 (Titular See) Thizicensis