Hemoglobin A1c definition and facts. 1  Share Your Story. 2  Hemoglobin A1c is a protein on the surface of red blood cells that sugar molecules stick to, usually for the life of the red blood cell (about three months). 3  The higher the level of glucose in the blood, the higher the level of hemoglobin A1c is detectable on red blood cells.
Since its opening day in 1992, Camden Yards was a success and fan favorite. Attendance jumped from an average of 25,722 over the last 10 years of Memorial Stadium 's tenure to an average of 43,490 over the first 10 years of Camden Yards' existence.
1 April 29, 2015: As a result of the 2015 Baltimore riots, the game against the White Sox was closed to the public. 2  The game was played in an empty Camden Yards, marking the first known instance in MLB history that a game was closed to the public.