The vast central African territory that one man, King Leopold II of Belgium, ruled from 1885 to 1908 not as a nation but as personal property, running it as a forced-labor rubber-extraction regime whose violence and population loss made it one of the great catastrophes of the colonial era, and whose exposure produced the first great international human-rights campaign before the territory passed to the Belgian state.
It was not a colony of Belgium. It was the private property of one man. For twenty-three years, an area the size of Western Europe belonged personally to King Leopold II, a monarch who never once set foot in it. He had won it by promising the world that he would bring civilization and free trade to the heart of Africa. What he built instead was an extraction machine. When the global demand for rubber exploded, his agents forced villages to gather it under threat of death, and a vast region lost people on a catastrophic scale. The scandal that followed could expose the catastrophe but could not undo it, and the cost had already been paid by the people of the Congo.