The Triangular Slave Trade By Gianna.A Period: May 18, 1401 to Jan 23, 1900 The Triangular Slave Trade May 23, 1401 African slaves captured. In the 15th century, African slaves were captured which led to the Portugese beginning to take them to work in the colony of Brazil. Nov 27, 1500 The Portugese began taking slaves to work in the colony of Brazil. Apr 10, 1562 Sir John Hawkins was the first sea captain to sell slaves to the Spanish colonies. Jul 5, 1625 Barbados was captured. Feb 2, 1655 Jamaica was secured. Jun 30, 1672 Royal Africa Company set up. Mar 17, 1713 'Asiento' Contract was given to Britian from Spain by the Treaty of Utrecht Nov 29, 1781 133 slaves thrown overboard from the 'Zong' (ship) Sep 7, 1787 William Wilberforce represented the Abolition Committee Mar 20, 1791 Touissant l'Ouverture fled but was recaptured. Jun 25, 1807 End to the slave trade