Bing found the following results
Nigeria | History, Population, Flag, Map, Languages, Capital, & Facts
Nigeria - Wikipedia
History of Nigeria | Events, People, Dates, Maps, & Facts
Nigeria country profile - BBC News
Nigeria - World Factbook Glyph
A brief overview and history of Nigeria | Britannica
Nigeria Maps & Facts - World Atlas
Nigeria - Wikiwand
Nigeria - The World Factbook
Nigeria travel - Lonely Planet | Africa