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William Pinkney (1764–1822)

State of Residence: Maryland
  1. Minister Plenipotentiary (United Kingdom)
    Appointed: February 26, 1808
    Presentation of Credentials: April 27, 1808
    Termination of Mission: Left England on or soon after May 7, 1811
    • Originally commissioned as Minister Plenipotentiary at the court of His Britannic Majesty and given a letter of credence as such, May 12, 1806, on the same day that he and Monroe were accredited jointly as Commissioners Plenipotentiary and Extraordinary on a special mission. When Monroe was preparing to leave London, he informed the Foreign Secretary that Pinkney would succeed him in the ordinary duties of the Legation; the British authorities declined to accept Pinkney’s 1806 letter of credence, but dealt with him informally until he was recommissioned and reaccredited.
  2. Envoy Extraordinary and Minister Plenipotentiary (Russia)
    Appointed: March 7, 1816
    Presentation of Credentials: January 13, 1817
    Termination of Mission: Left post on or soon after February 14, 1818