This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "Timeline of sovereign states in Europe" – news · newspapers · books · scholar · JSTOR (October 2010) (Learn how and when to remove this template message) This article or section possibly contains synthesis of material which does not verifiably mention or relate to the main topic. Relevant discussion may be found on the talk page. (December 2017) (Learn how and when to remove this template message) (Learn how and when to remove this template message)