This has been particularly intense in Northern Ireland since the 17th century. Due to Irish emigration these tensions can be found in other regions of the world, including Scotland (with some fans of football clubs such as Rangers and Celtic and Hearts and Hibs indulging in sectarian chants) (see: Sectarianism in Glasgow), Newfoundland, Canada's Maritime provinces, New York State, Ontario, Liverpool, Birmingham and elsewhere. See also Know-Nothings for anti-Catholic sentiment in the United States.[citation needed]