King Leopold's Soliloquy is a 1905 pamphlet by American author Mark Twain. It is a work of political satire that harshly condemns King Leopold II of Belgium's rule over the Congo Free State. The pamphlet is written in the form of a fictional monologue by Leopold himself, in which he defends his actions in the Congo.

Twain begins by mocking Leopold's claims that he had ""civilized"" the Congolese people. He points out that Leopold's rule had been marked by extreme brutality, including forced labor, torture, and execution. Twain also accuses Leopold of being motivated by greed, noting that he had extracted vast amounts of wealth from the Congo in the form of rubber and ivory.

Leopold's defense of his actions is both absurd and self-serving. He claims that the Congolese people were ""savages"" who needed to be taught how to work and how to be civilized. He also argues that the brutality of his rule was necessary to maintain order and to prevent the Congolese people from regressing into barbarism.

Twain's satire is devastatingly effective in exposing the hypocrisy and cruelty of Leopold's rule. The pamphlet is also a powerful indictment of colonialism and the exploitation of indigenous peoples.

King Leopold's Soliloquy is a must-read for anyone interested in the history of colonialism, the Congo Free State, or Mark Twain's work. It is a powerful and important reminder of the dangers of unchecked power and the importance of fighting for justice and human rights.