The Washington Convention Center in Washington DC was a convention center located one block southwest at 909 H Street NW, occupying the city block bounded by New York Avenue, 9th Street, H Street, and 11th Street. Construction on the center began in 1980, and it opened on December 10, 1982. At 800,000 square feet (74,000 m2), it was the fourth largest facility in the United States at the time.