🌐EnglishEnglishEspañolРусский日本語EntityQ5251249· pop 5· linked from 26 articlesDefence Scheme No. 11921 Canadian plan to attack the United StatesAvailable in 5 languagesEspañol日本語РусскийNorwegianvia Wikidata sitelinks · CC0ConnectionsUnited StatesCountryAustraliaCountryCanadaCategories1921 establishments in Canada1928 disestablishments in CanadaCanada–United States relationsCancelled or proposed invasions of the United StatesMilitary history of CanadaMilitary plans