History of the Gambia The Courlanders remained dominant until 1659 when their possessions were handed over to the Dutch West India Company. In 1660, the Courlanders resumed possession, but the next year were expelled by the newly formed Royal Adventurers in Africa Company. In 1667, the rights of the Royal Adventurers to the Gambia were sublet to the Gambia Adventurers but later reverted to the new Royal African Company. 1677 saw the beginning of a century-and-a-half-long struggle between the English and French for supremacy over the Gambia and Senegal. The English possessions were captured several times by the French, but in the Treaty of
History of the Gambia the following years, ordinances were passed to bring these places under the control of the Protectorate. Finally, a Protectorate Ordinance passed in 1902 brought the whole of the Gambia besides St Mary's Island under the Protectorate system. the Gambia received its own executive and legislative councils in 1901 and gradually progressed toward self-government. Also in 1901, the Gambia Company, the first colonial military unit of the Gambia, was founded. It was formed as part of the Sierra Leone Battalion of the new West African Frontier Force (late Royal West African Frontier Force). A 1906 ordinance abolished slavery. During World War