County of Hillsborough Profile: County of Hillsborough (Florida) Events (2) (9:00 a.m.-10:00 a.m.) September 11, 2001: Coast Guard Holds Exercise near President’s Location in Florida, Based on Possible Terrorist Attack 2001-09-11 1998 and After: Florida Ramps Up Disenfranchisement Strategies for Minority Voters via Error-Riddled ‘Purge Lists’