Simplify the following text for a Grade 8 native English-speaking person.
Original: In 1947 , Pakistan became a dominion and part of the British Commonwealth with the British Monarch as head of state , represented by the Governor-General of Pakistan .
Simplified: The head of state of Pakistan before 1956 was the British Monarch . For the Governors-General who represented them from 1947 to 1956 , see Governor-General of Pakistan .