No. Washington DC was founded as a federal district from land ceded by the State of Maryland and the Commonwealth of Virginia (although the Virginia land was eventually retroceded back to the Commonwealth).
Technically, no. The District of Columbia had slavery until April 16, 1862, but it is a federal district, not a state.
Yes, he was born a slave.
He had hundreds.
no
The presence of slave markets in Washington DC were controversial because it was a political city. In fact, slave markets were controversial in most cities.
well he was a slave owner for the early years of his life
William was the slave that Washington freed in his will and left an annuity to.
Washington was not a state until 1889.
unknown.
he was a slave
George Washington owners are Susan and her husband.
((Washington, D.C.))
George Washington.