 Four distinctive African flags currently in the collection of the National Maritime Museum in Britain were flown in action by Itsekiri ships under the control of Nana Olomu during the conflict in the late 19th century.One is the flag generally known as the Benin Empire flag and one is referred to as Nana Olomu's flag.Among international flags are the Flag of the United Nations, the Olympic flag, and the Paralympic flag.