"Member states of the Organisation internationale de la Francophonie" . "States and territories established in 1960" . "Central African countries" . "Cameroon" . "1960 establishments in Cameroon" . "Member states of the African Union" . "2011 in IndyCar" . "Countries in Africa" . "2011 in American motorsport" . "Commonwealth republics" . "Member states of the Organisation of Islamic Cooperation" . "May 2011 sports events in the United States" . "2011 in sports in Indiana" . "French-speaking countries and territories" . "English-speaking countries and territories" . "Member states of the Commonwealth of Nations" . "Indianapolis 500 races" . "Member states of the United Nations" .