| 2012 | 
    
    
    | August | 
    
    
        | Aug 19 |  | IAU GA EC91, part I | Beijing China, Nanjing
 | 
    
    
    
    | April | 
    
    
        | Apr 18 - Apr 20
 |  | Executive Committee Meeting 90 | Paris France
 | 
    
    
    | 2011 | 
    
    
    | May | 
    
    
        | May 24 - May 26
 |  | Executive Committee Meeting 89 | Prague Hungary
 | 
    
    
    | 2010 | 
    
    
    
        | May 11 - May 13
 |  | Executive Committee Meeting 88 | Baltimore, MD United States
 | 
    
    
    | 2009 | 
    
    
    | August | 
    
    
        | Aug 14 |  | Executive Committee Meeting 87 | Rio de Janeiro Brazil
 | 
    
    
    
    
        | Aug 12 |  | Executive Committee Meeting 86 - Part 3 | Rio de Janeiro Brazil
 | 
    
    
    
    
        | Aug 6 |  | Executive Committee Meeting 86 - Part 2 | Rio de Janeiro Brazil
 | 
    
    
    
    
        | Aug 2 |  | Executive Committee Meeting 86 - Part 1 | Rio de Janeiro Brazil
 | 
    
    
    
    | April | 
    
    
        | Apr 6 - Apr 8
 |  | Officers' Meeting and 85th Executive Committee Meeting | Paris France
 | 
    
    
    | 2008 | 
    
    
    | May | 
    
    
        | May 28 - May 30
 |  | IAU 84th EC Meeting | Oslo Norway
 | 
    
    
    | 2007 | 
    
    
    
        | May 15 - May 17
 |  | Executive Committee Meeting EC83 | Cape Town South Africa
 | 
    
    
    | 2006 | 
    
    
    | August | 
    
    
        | Aug 25 |  | Executive Committee Meeting 82 | Prague Czech Republic
 | 
    
    
    
    
        | Aug 23 |  | 09:00 - 12:30: Executive Committee Meeting 81 (part 4) | Prague Czech Republic
 | 
    
    
    
    
        | Aug 15 |  | 09:00 - 10:30: Executive Committee Meeting 81 (part 3) | Prague Czech Republic
 | 
    
    
    
    
        | Aug 14 |  | 11:00 - 12:30: Executive Committee Meeting 81 (part 2) | Prague Czech Republic
 | 
    
    
    
    
        | Aug 14 |  | 09:00 - 10:30: Joint EC Meeting 81 (part 2) with Division Presidents | Prague Czech Republic
 | 
    
    
    
    
        | Aug 13 |  | 14:00 - 17:30: Joint EC Meeting 81 (part 1) with Division Presidents | Prague Czech Republic
 | 
    
    
    
    
        | Aug 13 |  | 09:00 - 12:30: Executive Committee Meeting  81 (part 1) | Prague Czech Republic
 | 
    
    
    | 2005 | 
    
    
    | April | 
    
    
        | Apr 18 - Apr 20
 |  | Executive Committee Meeting  80 | Rome Italy
 | 
    
    
    | 2004 | 
    
    
    | May | 
    
    
        | May 24 - May 26
 |  | Executive Committee Meeting 79 | Mexico City Mexico
 |