:Category:Open problems
{{Catdiffuse}}
{{commonscat}}
{{Cat main}}
Use subcategories where applicable, e.g. :Category:Unsolved crimes, :Category:Unexplained disappearances. For open disputes, use :Category:Controversies.
{{Catdiffuse}}
{{commonscat}}
{{Cat main}}
Use subcategories where applicable, e.g. :Category:Unsolved crimes, :Category:Unexplained disappearances. For open disputes, use :Category:Controversies.