W1915–1916 Church of England border pollsWVorarlbergW1920 Carinthian plebisciteW1973 Northern Ireland border pollW2012 North Kosovo referendumW2014 Crimean status referendumW1920 East Prussian plebisciteW1935 Saar status referendumWSopron plebisciteWUpper Silesia plebiscite
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