Complex sentence: The dispute was settled in 1922, when an international experts commission rejected Macody Lund's theories, and Stortinget in 1923 decided to continue the cathedral's restoration based on Nordhagen's plan.
Split into simpler sentences: The dispute was settled in 1922, when an international experts commission rejected Macody Lund's theories. In 1923, Stortinget decided to continue the cathedral's restoration based on Nordhagen's plan.