From Halopedia, the Halo wiki
The European Union (EU) is a democratic confederation of nations located on a subcontinent of Eurasia, Earth. It is economically and politically powerful, as well as proudly multicultural. The European Union encompasses either parts of or the totality of Britain, Germany, and France, among other areas.
As well, Dr. William Iqbal and his colleagues of the Edinburgh University were hired by ONI to study Forerunner relics discovered on various worlds including Earth and the Ancient Human ruins of Heian.
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