In J. R. R. Tolkien's legendarium, the history of Arda, also called the history of Middle-earth, began when the Ainur entered Arda, following the creation events in the Ainulindalë and long ages of labour throughout Eä, the fictional universe. Time from that point was measured using Valian Years, though the subsequent history of Arda was divided into three time periods using different years, known as the Years of the Lamps, the Years of the Trees, and the Years of the Sun. A separate, overlapping chronology divides the history into 'Ages of the Children of Ilúvatar'. The first such Age began with the Awakening of the Elves during the Years of the Trees and continued for the first six centuries of the Years of the Sun. All the subsequent Ages took place during the Years of the Sun. Most Middle-earth stories take place in the first three Ages of the Children of Ilúvatar.

In J. R. R. Tolkien's high fantasy The Lord of the Rings, Harad is the immense land south of Gondor and Mordor. Its main port is Umbar, the base of the Corsairs of Umbar whose ships serve as the Dark Lord Sauron's fleet. Its people are the dark-skinned Haradrim or Southrons; their warriors wear scarlet and gold, and are armed with swords and round shields; some ride gigantic elephants called mûmakil.