Achebe is often called the "father of modern African literature" but was only belatedly recognized in the West.
On Friday, the Nigerian military called a pro-Biafra group "terrorists." By Monday, it had changed its tune.
The Indigenous People of Biafra is calling for a separate state in southeast Nigeria, raising fears of another civil war.
Nigeria's first democratically-elected president says that the country cannot afford another war.
Buhari is keen to crush dreams of an independent state of Biafra. But the dreamers aren't going quietly.
Nigeria's Nobel Prize-winning writer Wole Soyinka thinks the country's battle with secession has not ended, but the methods have changed.
Buhari has been on medical leave for a total of 14 weeks in 2017, and Nigerians are not satisfied.
Ethnic tensions are boiling over in Nigeria. They did that before, and more than 1 million people died as a result.
Ethnic tensions have been on the rise after a northern Nigerian group called for the expulsion of Igbos, an ethnic group that made up the majority of the population of Biafra.
Yemi Osinbajo called for an end to incitement after a call for ethnic cleansing that evoked the Biafran war, in which 1 million people were killed.
Fifty years ago, Nigeria fought a brutal civil war based on ethnicity and secession. Those tensions continue to simmer.
A coalition of northern Nigerian groups called for the expulsion of Igbos, an ethnic group that largely supported the Biafran side in the 1960s civil war.
Sixty people were killed during last year's protests to mark the anniversary of Biafran independence, according to the rights group.
Leader of pro-separatist group Ipob is standing trial on treasonable felony charges.
The ministry slammed Amnesty International over allegations of extrajudicial killings by the government.
Kanu still faces five charges, including treasonable felony and terrorism.
Nnamdi Kanu has been held in detention since October 2015.
Activists supporting a breakaway state in Nigeria celebrated Trump's inauguration.
The president said it would be "very difficult" for Biafra to break away from Nigeria.
People in southeast Nigeria have been calling for an independent state of Biafra.
Secessionist groups say Trump will uphold the right of indigenous peoples to "self-determination."
Scores of people were reportedly killed in the clashes, but the army says the claims are "calumny."
"Don't wait until we go the way of Sudan," the militant group warned.