Excellency is an honorific style given to certain high-level officers of a sovereign state, officials of an international organization, or members of an aristocracy. Once entitled to the title "Excell
Their Excellencies the Lords Justices of England, for the administration of the Government during the absence of the King by Robert White.
An ambassador is an official envoy, especially a high-ranking diplomat who represents a state and is usually accredited to another sovereign state or to an international organization as the resident r
Ambassador Daoud Zadour of Persia.
Arrival of the English Ambassadors by Vittore Carpaccio, painted between 1495 and 1500—though ostensibly part of a series of paintings on the life of Saint Ursula, this actually depicts the developing diplomatic practices of the Republic of Venice in the painter's own time.
Before an ambassador takes office, their credentials must be accepted, such as when South African Ambassador Harry Schwarz handed his credentials to U.S. President George H. W. Bush in 1991.
Maria-Pia Kothbauer, Princess of Liechtenstein and ambassador extraordinary and plenipotentiary to the Czech Republic, presenting her credentials to Václav Klaus.