Bing found the following results
List of capitals in the United States - Wikipedia
Capital city - Wikipedia
List of national capitals - Wikipedia
List of national capitals by population - Wikipedia
Capital city - Simple English Wikipedia, the free encyclopedia
List of U.S. state capitals - Simple English Wikipedia, the free ...
Beijing - Wikipedia
Washington, D.C. - Capital, Founding, Monumental | Britannica
Tokyo - Wikipedia
Washington, D.C. - HISTORY