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.
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 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.
The ministry slammed Amnesty International over allegations of extrajudicial killings by the government.
Nnamdi Kanu has been held in detention since October 2015.
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.
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.
Kanu's defense wants to overturn a ruling that allows witnesses to testify anonymously.
The pro-Biafra activist will return to court for a bail hearing on May 5.
The pro-Biafra activist is on trial for treasonable felony and faces a maximum life sentence.
Nnamdi Kanu, the pro-Biafra leader, goes on trial for treasonable felony in Nigeria on Monday.
Uchechi Okwu-Kanu says she almost miscarried during her husband's detention.
Angela Rayner says that allegations of human rights abuses against pro-Biafra protesters in Nigeria require investigation.
The leader of the Indigenous People of Biafra goes on trial on Tuesday, charged with treason.
Militants reportedly took control of a ship off Nigeria on Friday and are demanding Nnamdi Kanu's release.
Human rights lawyers allege that the Nigerian president has committed crimes against humanity against pro-Biafran activists.
Thousands of Nigerians are demanding independence for a region in southeast Nigeria.