When did the slave trade end in britain?
No context provided
When did the ownership and purchasing of slaves end in Britain?
August 1, 1834 1 August 1834
No context provided
When did the slave trade end in the British Colony of Cape of Good Hope?
1 December 1834 December 1, 1834
No context provided
When did the slave trade end in the British Colony of Mauritius?
1 February 1835 February 1, 1835
Slavery in Britain
https://en.wikipedia.org/wiki/Slavery%20in%20Britain
Slavery in Great Britain existed prior to the Roman occupation and until the 12th century, when chattel slavery disappeared, at least for a time, following the Norman Conquest. 
Slavery in Britain
Slavery in Great Britain existed prior to the Roman occupation and until the 12th century, when chattel slavery disappeared, at least for a time, following the Norman Conquest.  Ownership and purchase of slaves ended on August 1, 1834 in Britain. On December 1, 1834 the slave trade ended in the British Colony of Cape of Good Hope. On February 1, 1835 the slave trade ended in the British Colony of Mauritius.