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U.S. Department of State

Diplomacy in Action

Diplomatic Representation for Holy See

Foreign Embassies in the U.S. and Their Ambassadors
Office of the Chief of Protocol
January 18, 2012

(State of the Vatican City)




January 10, 1984 Establishment of Diplomatic Relations
April 6, 1984 HE The Most Reverend Archbishop Pio Laghi
April 13, 1984 Pro-Nuncio
August 16, 1990 H.E. The Most Rev. Archbishop Agostino Cacciaviilan, Appt.
October 24, 1990 Pro-Nuncio
January 19, 1999 H.E. Archbishop Gabriel Montalvo, Appt.
January 21, 1999 Amb. E. and P.
March 9, 2006 Pietro Sambi, Appt.
March 13, 2006 Appointed Amb. E. and P.
November 16, 2011 Carlo Maria Vigano, Appt.
January 18, 2012 Appointed Amb. E. and P.


Special Terms*
[Amb.] E.E. and M.P.= Envoy Extraordinary and Minister Plenipotentiary
[Charge d'Affaires] a.i.= ad interim
Amb. E. & P. = Ambassador Extraordinary and Plenipotentiary

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