9th-11th September 2011 at Assembly Hall of Jehovah's Witnesses, 973 Flatbush Avenue, Brooklyn.
Also 17th -18th September 2011, same location rescheduled due to hurricane from a previous one that had the Friday program.
Please could you specify which country and city you mean.
For any convention dates go to related link and click on the tab "lookup". Put in your information. It will provide you with the dates and places.
12-14 Aug 19-21 Aug 26-28 Aug Sacramento Convention Center
1st July 2011. Mililani
A search on the official Watchtower website shows no conventions in Miami.
According to the official Watchtower web page (see link below) there is no convention in Miami 2011.
Making Friends - 2011 I was released on: USA: 2 September 2011 (Horrorfind Film Convention) USA: 6 September 2011 (Dragon*Con Independent Film Festival)
24th June 2011.
1-3 July 8-10 July Civic Center Arena
29th July 2011 for 'A' 5th Aug 2011 for 'B' Both for three days Friday -Sunday at Punchestown Event Centre, Naas, Ireland
26/08/2011 Rod Laver Arena Batman Ave EAST MELBOURNE VIC
8-10 July 15-17 July 22-24 July Cow Palace.