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
20th century in Australia by city is within the scope of WikiProject Australia, which aims to improve Wikipedia's coverage of Australia and Australia-related topics. If you would like to participate, visit the project page.AustraliaWikipedia:WikiProject AustraliaTemplate:WikiProject AustraliaAustralia 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
