Apostolic Vicariate of Indian Territory East of the Rocky Mountains

The Diocese of Leavenworth (Leavenworthen(sis)) is a former bishopric and present Latin titular bishopric in and originally around Kansas state, Midwestern United States.

The diocese was created on May 22, 1877, by Pope Pius IX.

On 1857.01.06, it lost territory to establish the then Apostolic Vicariate of Nebraska. Still in 1857, the remainder was renamed as Apostolic Vicariate of Kansas.

On 22 May 1877, it was promoted as Diocese of Leavenworth, ceasing to be missionary and exempt. On 2 August 1887, it lost territories to establish the Dioceses of Wichita and the Concordia.

On 29 May 1891, it was renamed as Diocese of Kansas City, Kansas / Civitatis Kansas (Latin).

On 5 March 1897, it was finally renamed as Diocese of Leavenworth.

On May 10, 1947, the diocese was suppressed and its territory used to establish the then–Diocese of Kansas City in Kansas.

(all Latin, Roman Rite)

Bishop of Kansas City (USA) (1913.02.21 – 1938.12.29)

In 1995, the Diocese of Leavenworth was nominally restored as a titular see of the lowest (episcopal) rank.

It has had the following incumbents :

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