time the African, Mulattoes and Mestizos started intermixing, the Amerindians had become almost nonexistent. In 1783, the King of Spain passed the Cedula of Population law, which promised free land to Europeans willing to relocate to Trinidad to work. With this law French settlers migrated to Trinidad from the French Antilles to work the sugar cane plantations. They, too, added to the ancestry of Trinidadians, creating the creole identity; Spanish, French and Patois were the languages spoken. In 1802, Great Britain took over the island and slavery was eventually abolished in 1834. The abolition of slavery led to an influx of indentured servants from places such as China. While some left, many stayed and married into the Trinidadian populace. In 1911, many more Chinese came after the Chinese Revolution. In the 1840s, European indentured servants began arriving, including the French, Spanish, Germans, Swiss, Portuguese, English, Scottish, Welsh, Cornish, Irish, Corsican, Italians, Dutch, Norwegian and Polish. Over time, many of these settlers married into the families of the freed slaves. On 30 May 1845, the British transported indentured servants from India to Trinidad. This day is known as Indian Arrival Day. A small portion of the group of Indians also began to racially mix into the Trinidadian populace, their descendants became known as the Dougla people. After the use of indentured servants was abolished 1917, a second group of Indians steadily migrated to Trinidad from India, mostly for business. Contemporary migration Nigerians, Demographics of Nigeria, Emigration from Africa, Jamaican diaspora Use of Afro-Trinidadian and Tobagonian Afro-Trinidadian and Tobagonian Between 1968 and 1970, the "Black Power Revolution" gained strength in Trinidad and Tobago. The National Joint Action Committee (NJAC) was formed by a group of undergraduates at the St. Augustine Campus of the University of the West Indies. Influenced by people such as Fidel Castro, Stokely Carmichael and Malcolm X. The National Joint Action Committee demonstrated to bring about Black Power and a return to African heritage and African culture. On 6 April 1970, protester Basil Davis, was killed by the police. This was followed on 13 April by the resignation of A. N. R. Robinson, Member of Parliament for Tobago East. On 18 April, sugar workers went on strike and there was talk of a general strike. In response to this, Williams proclaimed a State of Emergency on 21 April and arrested 15 Black Power leaders. Responding in turn, a portion