This category is within the scope of WikiProject Indonesia, a collaborative effort to improve the coverage of Indonesia and Indonesia-related topics 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.IndonesiaWikipedia:WikiProject IndonesiaTemplate:WikiProject IndonesiaIndonesia articles
This category falls within the scope of WikiProject Netherlands, an attempt to create, expand, and improve articles related to the Netherlands on Wikipedia. If you would like to participate, visit the project page where you can join the project or contribute to the discussion.NetherlandsWikipedia:WikiProject NetherlandsTemplate:WikiProject NetherlandsNetherlands 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
Start a discussion about improving the Category:Years of the 20th century in the Dutch East Indies page
