The system called dyarchy came into effect in December, 1920, and January, 1921 Under it, provincial government is exercised 1) by the Governor-in-Council, 2) by the Governor .
After the War came the Montagu-Chelmsford reformsdyarchy.
But with the rise of the absolutist monarchies in the 17th century, Gelasius' finely balanced dyarchy was shattered.