If you are married, then you and your spouse can file separate tax returns. The married filing separately (MFS) filing status is generally perceived as the least beneficial of all the filing statuses.
In 1783 Congress decided to create a new capital apart from any state, and in 1787 the framers of the Constitution provided for a capital district. The U.S. capital was originally Philadelphia. Washington D.C. became the new capital on July 16, 1790.
DC history began in 1790 when Congress directed selection of a new capital site, 100 sq mi, along the Potomac. When the site was determined, it included 30.75 sq mi on the Virginia side of the river.