I haven't lived in the area since 1992 so I guess it's not exactly unusual that I didn't know he was such a big deal. Only reason I know who he is was because of a few local news clips I saw on YouTube in the past year, mainly the one pertaining to Snyders acquisition of the team in 1999.
However people who have lived in the DC area past 1992 have no excuse for not knowing who George Michael is