1 jan 1820 ano - Protocol of Troppeau

Descrição:

The result of the Congress of Troppeau (Russia, Prussia, and Austria-Hungary); declaration that asserted that stable governments might intervene to restore order in countries experiencing revolution; an agreement among the major European powers in 1820 allowing one government to intervene in the affairs of another in order to restore stability; agreement amng Eastern Great Powers to oppose revolutionary states)

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