Public Domain, Wikimedia Commons 1848 German missionary Johannes Rebmann became the first European to report sighting Mount Kilimanjaro, in present-day Tanzania.
ScienceOn this day — May 11 in African history
Real events, births and milestones from Africa and the diaspora.
Public Domain, Wikimedia Commons 1848 
Dennis Morris; Distributed by Island Records — Public Domain, Wikimedia Commons Bob Marley, the Jamaican reggae musician whose Pan-Africanist message and songs like 'Africa Unite' resonated deeply across the continent, died.
Culture
Zina Deretsky, National Science Foundation — Public Domain, Wikimedia Commons 2006 Scientists announced the discovery that the kipunji, a monkey found in Tanzania, belonged to an entirely new genus, the first new African monkey genus identified since 1923.
Science
Public Domain, Wikimedia Commons 2009 Abel Goumba, physician and twice Prime Minister of the Central African Republic, died.
DeathA stampede triggered by police tear gas at a football stadium in Kinshasa, Democratic Republic of the Congo, killed fifteen people.
History