Category:1778 treatiesFrom Wikipedia, the free encyclopedia Treaties that were either written and opened for signature in the year 1778, or entered into force in 1778. 17731774177517761777177817791780178117821783 Politics portal
Treaties that were either written and opened for signature in the year 1778, or entered into force in 1778. 17731774177517761777177817791780178117821783 Politics portal