Events relating to africa
The Turkish governor of Algiers, flicking at the French consul with his fly whisk, finds that he has provoked a French blockade and eventually invasion
Shaka is murdered by his half-brother Dingaan, who becomes leader of the Zulu in his place
Richard Lander and his brother John explore the lower reaches of the Niger, proving that the great river is navigable
A French army invades Algeria, beginning the process which brings the region within the French empire
The paddle steamer Alburkah becomes the first ocean-going iron ship, completing the journey from England to the Niger
French painter Eugène Delacroix begins a five-month visit to north Africa, with profound effects on his future art

English artist Edward Lear begins a series of travels, sketching around the Mediterranean and in the Middle East
Hendrik Potgieter sets off with some 200 Boers and their cattle at the start of the Great Trek to the north
The Portuguese ban the shipping of slaves from the coast of Angola
Hendrik Potgieter and the Boers, protected by a laager at Vegkop, hold off an attack by a large force of Ndebele tribesmen
After a victory at Vegkop, Boers massacre the inhabitants of a dozen Ndebele villages in secret dawn raids
Piet Retief emerges as the new leader of the Great Trek, replacing Potgieter
Potgieter defeats the Ndebele at the Marico river and drives them north of the Limpopo
Piet Retief reaches a provisional agreement with Dingaan, the Zulu leader, for a Boer settlement in southern Natal
Zanzibar becomes the main place of residence of the sultan of Oman
During a ceremony to celebrate their treaty with Dingaan, Piet Retief and his Boer companions are overpowered and killed
Dingaan's warriors massacre Boer families in a series of dawn raids near the Bloukrans river
The river Ncome becomes known as the Blood River after thousands of Zulu die attacking Andries Pretorius and the Boers
Abd-el-Kader proclaims a holy war against the French in Algeria and begins a military campaign that will last for eight years
Andries Pretorius sets up the Boer republic of Natalia, with its capital at Pietermaritzburg
With Boer help, Mpande removes his brother Dingaan from the Zulu throne and takes his place
Muhammad Ali, officially viceroy for the Turkish sultan, establishes his own ruling dynasty on the throne of Egypt

Britain sends four naval ships up the river Niger to make anti-slavery treaties with local kings
The British take control of the existing Boer republic and proclaim Natal a British protectorate
Pretorius leads the last Boer families out of Natal and over the Drakensberg to the high veld