Notes

Washington d.c is the capital of the united states.Washington was named after George washington and he was the first president of the united states and a founding father.it has 20 million tourists annually
the signing of the of the residence act on july 16 1790 approved the creating of a capital district located along the potomac river on the country's east coast.the states of Maryland and Virginia each donated land to form the federal district,which included the pre-existing settlements of georgetown and alexandria.Washington was founded in 1971

Washington had an estimated population of 702,455 as of July 2018,[9] making it the 20th most populous city in the United States. Commuters from the surrounding Maryland and Virginia suburbs raise the city's daytime population to more than one million during the workweek.The country's sixth largest, had a 2017 estimated population of 6.2 million residents.[11]The White House is the official residence and workplace of the President of the United States.