The 1789 United States Constitution said that a capital city would be created in a district, but did not say where it should be. James Madison and others thought it should be far away from other states and cities. This way, it would be independent and not controlled by any state. In 1790, a compromise was reached and capital was placed between Virginia and Maryland. It was a square, ten miles (16 km) long on each side, and split by the Potomac River, which separated the two states. Half of the district was in Maryland and the other half was in Virginia, and the two states gave this land to the government. In 1791, it was named "Washington, the District of Columbia" to honor George Washington. "Columbia" was another name for North America.