Simplify the following text for a Grade 11 native English-speaking person.
Original: The House of Commons was established in 1867 , when the British North America Act 1867cite web url = title = British created the Dominion of Canada , and was modelled on the British House of Commons .
Simplified: The House of Commons was established in 1867 , when the Constitution Act , 1867 created the Dominion of Canada , and was modelled on the British House of Commons .