The Protocol of St. Petersburg may refer to:
*
Protocol of St. Petersburg (1826)
The Protocol of St. Petersburg was an 1826 Anglo-Russian agreement for the settlement of the Greek War of Independence.M.S. Anderson, ''The Eastern Question, 1774-1923: A Study in International Relations'' (1966online/ref>
Background
In 1821, the ...
, an Anglo–Russian treaty about the Greek War of Independence
*
Protocol of St. Petersburg (1887), treaty of the
Afghan Boundary Commission regarding Afghanistan's border with Russia
*
Protocol of St. Petersburg (1904), an international anti-anarchist treaty
*
Protocol of St. Petersburg (1913) The Protocol of St. Petersburg may refer to:
*Protocol of St. Petersburg (1826), an Anglo–Russian treaty about the Greek War of Independence
* Protocol of St. Petersburg (1887), treaty of the Afghan Boundary Commission The Afghan Boundary Commiss ...
, a Bulgarian–Romanian treaty through which Bulgaria ceded Silistra to Romania
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