In March, Ghana celebrated 50 years of independence from the UK...
... March also marked the 200th anniversary of the abolition of the slave trade in the British empire.
Umaru Yar'Adua has gone from being a state governor to Nigeria's president but many more challenges lie ahead.
Two years ago, the world's richest nations promised to do more to ease poverty in Africa...
In August, President Robert Mugabe's neighbours declined to criticise Zimbabwe's human rights record.
UK and US bookshops have removed the Tintin In The Congo cartoon book from their children's sections, after complaints it was racist.
Despite plenty of international attention and statements, the planned UN peacekeeping force has still not been sent to Sudan's Darfur region.
In December, Jacob Zuma defeated President Thabo Mbeki in the contest to lead South Africa's ruling ANC.