Manitoba is one of Canada's 10 provinces. It was officially recognized by the Federal Government in 1870 as separate from the Northwest Territories, and became the first province created from the Territories. It is the easternmost of the three Prairie provinces. Its capital and largest city (containing over one half the provincial population) is Winnipeg. Other cities with more than 10,000 people are Brandon, Thompson, Portage la Prairie, and Steinbach. A person from Manitoba is called a Manitoban. English and French are official languages of the legislature and courts of Manitoba, according to the Manitoba Act, 1870 (which forms part of the Canadian constitution).