has this stadium being used for any other purpose apart from sports?
Yes, for concerts.
Robert F. Kennedy Memorial Stadium
Michael Jackson and The Jacksons performed here in May 1974 and September 1984.
what was the 2009 u.s. open cup final? UNANSWERABLE which type of sport was played? Football. between which two teams was the game played? Seattle Sounders FC and D.C. United. how many mls cups has the first team won? 2 did the second team win anything? 1998 CONCACAF Champions' Cup and Copa Interamericana. where did the finals take place? At Robert F. Kennedy Memorial Stadium. where is this stadium located? In Washington, D.C. was it renamed? Yes, as Robert F. Kennedy Memorial Stadium, in Kennedy's honor. what was its previous name? District of Columbia Stadium.
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Robert F. Kennedy Memorial Stadium [SEP] Concerts
The Grateful Dead performed here on 6/9/73, 6/10/73, 7/6/86, 7/7/86, 7/12/89, 7/13/89, 7/12/90, 6/14/91, 6/20/92, 6/25/93, 6/26/93, 7/16/94, 7/17/94, 6/24/95, and 6/25/95. Michael Jackson and The Jacksons performed here in May 1974 and September 1984. The Beatles performed a concert here in August 1966.