sentences:  The United Kingdom ceded sovereignty over the Colony of Kenya and, under an agreement dated 8 October 1963, the Sultan agreed that simultaneous with independence for Kenya, the Sultan would cease to have sovereignty over the Protectorate of Kenya.In this way, Kenya became an independent country under the Kenya Independence Act 1963.Exactly 12 months later on 12 December 1964, Kenya became a republic under the name "Republic of Kenya".