The Quebec Boundary Extension Act of 1898 was an act of the Parliament of Canada

Parliament of Canada

The Parliament of Canada is the federal legislative branch of Canada, seated at Parliament Hill in the national capital, Ottawa. Formally, the body consists of the Canadian monarch—represented by her governor general—the Senate, and the House of Commons, each element having its own officers and...

 that expanded the territory of the province of Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

. The province's northern boundary was set along the eastern shore of James Bay

James Bay

James Bay is a large body of water on the southern end of Hudson Bay in Canada. Both bodies of water extend from the Arctic Ocean. James Bay borders the provinces of Quebec and Ontario; islands within the bay are part of Nunavut...

 to the mouth of the Eastmain River

Eastmain River

The Eastmain River is a river in northwestern Quebec which rises in north central Quebec and flows 800 km west to drain into James Bay. 'East Main' is an old name for the east side of James Bay. This river drains an area of 46,400 km²...

, north along the river, then due east to the Hamilton River and down the river to the western boundary of Labrador

Labrador

Labrador is the distinct, northerly region of the Canadian province of Newfoundland and Labrador. It comprises the mainland portion of the province, separated from the island of Newfoundland by the Strait of Belle Isle...

.

The first of two such acts, a second Act was passed by the Parliament in 1912 and entitled the Quebec Boundaries Extension Act, 1912

Quebec Boundaries Extension Act, 1912

The Quebec Boundaries Extension Act, 1912 is an act passed by the Parliament of Canada on April 1, 1912, that expanded the territory of the Province of Quebec. It was supplemental to the Quebec Boundary Extension Act, 1898 that granted the province its first territorial enlargement...

. Together, these two expansions more than tripled the size of the Province of Quebec to what it is today.