No date was available from the Wikipedia article, so we used the date of retrieval.
- First human settlement > Date: Date or period of the first known or suspected human settlement within each geographic location listed. For further descriptions, please refer to notes.
- First human settlement > Notes: Description of the first known or suspected human settlement within each geographic location listed. For the date or period of the described settlement, please refer to the according date stat.
- Full name: Full names (translated to english) of the United Nations member states, as of 2014. For a list of full names in the respective original languages of each country, check this link.
- Overview: A geopolitical overview of every sovereign country in the world, briefly examining their recent history and place on the global stage. The texts are taken from the BBC News website.
- Year acquired by the US: Acquired.
SOURCES: Wikipedia: List of sovereign states and dependent territories by continent (Africa); Wikipedia: List of countries and islands by first human settlement (The list); http://en.wikipedia.org/wiki/List_of_sovereign_states; British Broadcasting Corporation 2014; Wikipedia: List of states and territories of the United States (Inhabited territories of the United States) ("Acquisition Process of Insular Areas" . Office of Insular Affairs . Retrieved July 9, 2013 .)