Which major city lies on an island in the st. lawrence river?

Montreal is the major city that lies on an island in the St.Lawrence River.It is actually the largest city in Quebec of Canada. It is actually a place where French speaking people are maximum and the city is named after Mount Royal. The official language of this city is French because 56.9% of the people living in this city speak the French language. It has ben known from Archeological facts that the native people of First Nations occupied this city about 4000 years ago. They started the cultivation of maize for the first time during 1000 AD.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

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