Diet of Porvoo

The Diet of Porvoo (Finnish: Porvoon maapäivät, or unhistorically Porvoon valtiopäivät; Swedish: Borgå lantdag; Russian: Боргоский сейм), was the summoned legislative assembly to establish the Grand Principality of Finland in 1809 and the heir of the powers of the Swedish Riksdag of the Estates. The session of the Diet lasted from March to July 1809.

Diet of Porvoo

The Diet of Porvoo (Finnish: Porvoon maapäivät, or unhistorically Porvoon valtiopäivät; Swedish: Borgå lantdag; Russian: Боргоский сейм), was the summoned legislative assembly to establish the Grand Principality of Finland in 1809 and the heir of the powers of the Swedish Riksdag of the Estates. The session of the Diet lasted from March to July 1809.