Bing found the following results
Nigeria - Wikipedia
Nigeria Maps & Facts - World Atlas
A brief overview and history of Nigeria | Britannica
Nigeria country profile - BBC News
Nigeria - Wikiwand
Nigeria - The World Factbook
Why Nigeria's economy is in such a mess - BBC
Nigeria | Today's latest from Al Jazeera
Nigeria news - Breaking stories, video, analysis and opinion | CNN
Nigeria Overview: Development news, research, data | World Bank