This category is part of WikiProject Argentina, an attempt to expand, improve and standardise the content and structure of articles related to Argentina. If you would like to participate, you can improve 1840 in Argentina, or sign up and contribute to a wider array of articles like those on our to do list.ArgentinaWikipedia:WikiProject ArgentinaTemplate:WikiProject ArgentinaArgentine articles
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This category is within the scope of WikiProject History, a collaborative effort to improve the coverage of the subject of History on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.HistoryWikipedia:WikiProject HistoryTemplate:WikiProject Historyhistory articles
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