In nomine Domini

In nomine Domini (Latin: In the name of the Lord) is a papal bull written by Pope Nicholas II. The bull was issued on 13 April 1059^{[note 1]} and caused major reforms in the system of papal election, most notably establishing the cardinal-bishops as the sole electors of the pope, with the consent of minor clergy.

^ Depuydt, Leo (1987). "A.D. 297 as the Beginning of the First Indiction Cycle". Bulletin of the American Society of Papyrologists. 24 (3–4). The Bulletin of the American Society of Papyrologists: 137–139. Retrieved 17 May 2012.

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[Depuydt-1] Depuydt, Leo (1987). "A.D. 297 as the Beginning of the First Indiction Cycle". Bulletin of the American Society of Papyrologists. 24 (3–4). The Bulletin of the American Society of Papyrologists: 137–139. Retrieved 17 May 2012.

[note 1]