The Anglo-Zanzibar War is the shortest war in history. Lasting only 38 minutes, the conflict broke out when Khalid bin Bargash seized power after the death of his uncle, Sultan Hamad bin Thuwaini. The British, who favored a different candidate, delivered an ultimatum ordering Bargash to abdicate. When Bargash refused and assembled an army, the Royal Navy sent five warships to the harbor in front of the palace and opened fire. For what did the British demand payment after the brief war was over?