Complex sentence: Riksforsamlingen is the name given to the Assembly of Eidsvoll, Norway in 1814, which was composed of delegates from the whole country, who were given the mission to devise the Norwegian Constitution ("Norges grunnlov").
Split into simpler sentences: Riksforsamlingen is the name given to the 1814 Assembly of Eidsvoll, Norway. The Assembly, which was composed of delegates from the whole country, was convened to forge the Norwegian Constitution ("Norges grunnlov").