when did columbia become the capital of sc
Columbia, South Carolina The site was chosen as the new state capital in 1786, due to its central location in the state. The State Legislature first met there in 1790. After remaining under the direct government of the legislature for the first two decades of its existence, Columbia was incorporated as a village in 1805 and then as a city in 1854.
Streets and highways of Washington, D.C. The District of Columbia was created to serve as the permanent national capital in 1790. Within the District, a new capital city was founded in 1791 to the east of a preexisting settlement at Georgetown. The original street layout in the new City of Washington was designed by Pierre (Peter) Charles L'Enfant.[3][4]