In Wollo, competing royal powerful Oromo and Muslim dynasties also vied for power. Two rival claimants vied for the duchy. With no party in leadership of the coalition, rival groups vied to unseat Desai. He unsuccessfully vied for the presidency in 1992 and 1997. Coup followed coup as South Vietnamese generals vied for power. By the end of the century, it vied with Moscow for supremacy in Russia. Various other clans also vied for power. During these events, Boomerang vied with Speed Demon for Leila Davis's affections. George B. McClellan vied for the presidential nomination. Other poets at the same venues vied with him for the favours of patrons. During the nineteenth century, Russia and Japan vied for control of Sakhalin island. At this time global automotive manufacturers Audi, BMW and Mercedes-AMG vied for dominance. He also vied for the world middleweight championship. Nicaea and Epirus both vied for the imperial title, and tried to recover Constantinople. Numerous other extra-parliamentary political parties also vied for votes.