of Bloubergstrand. In the Anglo-Dutch Treaty of 1814, Cape Town was permanently ceded to Britain. It became the capital of the newly formed Cape Colony, whose territory expanded very substantially through the 1800s.
The discovery of diamonds in Griqualand West in 1867, and the Witwatersrand Gold Rush in 1886, prompted a flood of immigrants to South Africa. Conflicts between the Boer republics in the interior and the British colonial government resulted in the Second Boer War of 1899–1902, which Britain won. In 1910, Britain established the Union of South Africa, which unified the Cape Colony with the two defeated Boer Republics and the British colony of Natal. Cape Town became the legislative capital of the Union, and later of the Republic of South Africa.
In the 1948 national elections, the National Party won on a platform of apartheid (racial segregation) under the slogan of "swart gevaar". This led to the Group Areas Act, which classified all areas according to race. Formerly multi-racial suburbs of Cape Town were either purged of unlawful residents or demolished. The most infamous example of this in Cape Town was District Six. After it was declared a whites-only region in 1965, all housing there was demolished and over 60,000 residents were forcibly removed. Many of these residents were relocated to the Cape Flats and Lavender Hill. Under apartheid, the Cape was considered a "Colouredlabour preference area", to the exclusion of "Bantus", i.e. blacks.
Cape Town was home to many leaders of the anti-apartheid movement. On Robben Island, a former penitentiary island 10-kilometres from the city, many famous political prisoners were held for years. In one of the most famous moments marking the end of apartheid, Nelson Mandela made his first public speech in decades on 11 February 1990 from the balcony of Cape Town City Hall hours after being released. His speech heralded the beginning of a new era for the country, and the first democratic
