This category is within the scope of WikiProject Cities, a collaborative effort to improve the coverage of cities, towns and various other settlements 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.CitiesWikipedia:WikiProject CitiesTemplate:WikiProject CitiesWikiProject Cities articles
This category is within the scope of WikiProject Years, a collaborative effort to improve the coverage of Years 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.YearsWikipedia:WikiProject YearsTemplate:WikiProject YearsYears articles
This category is within the scope of WikiProject Mexico, a collaborative effort to improve the coverage of Mexico 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.MexicoWikipedia:WikiProject MexicoTemplate:WikiProject MexicoMexico articles
Start a discussion about improving the Category:20th century in Monterrey page
Talk pages are where people discuss how to make content on Wikipedia the best that it can be. You can use this page to start a discussion with others about how to improve the "Category:20th century in Monterrey" page.
