Large events from previous years
Los Angeles, California - 2009 http://www.youtube.com/watch?v=rcM88cw-nWk
Portland, Oregon - 2009 http://www.youtube.com/watch?v=l7D-tvfAsIQ
Roswell, New Mexico - 2011 http://www.youtube.com/watch?v=zhPEfTJmXv8
Knoxville, TN - 2010 http://www.youtube.com/watch?v=KArjSqvUNUg
St. Louis, Missouri - 2010 http://www.youtube.com/watch?v=uJ-Y1zRjm8Q
St. Petersburg, Florida - 2011 http://www.youtube.com/watch?v=qMXBw7_Jxw0
Fort Lauderdale, Florida - 2009 http://www.youtube.com/watch?v=GGB6pPBUWm0
Austin, Texas - 2008 http://www.youtube.com/watch?v=Y5jN4OUofys
Paris, France - 2011 http://www.youtube.com/watch?v=px57A5A4iX0
Helsinki, Finland - 2011 http://www.youtube.com/watch?v=MJFYlt9kTc0
Redmond, Washington - 2011 http://www.youtube.com/watch?v=SYmgEW7xu0E
Portland, Oregon - 2009 http://www.youtube.com/watch?v=l7D-tvfAsIQ
Roswell, New Mexico - 2011 http://www.youtube.com/watch?v=zhPEfTJmXv8
Knoxville, TN - 2010 http://www.youtube.com/watch?v=KArjSqvUNUg
St. Louis, Missouri - 2010 http://www.youtube.com/watch?v=uJ-Y1zRjm8Q
St. Petersburg, Florida - 2011 http://www.youtube.com/watch?v=qMXBw7_Jxw0
Fort Lauderdale, Florida - 2009 http://www.youtube.com/watch?v=GGB6pPBUWm0
Austin, Texas - 2008 http://www.youtube.com/watch?v=Y5jN4OUofys
Paris, France - 2011 http://www.youtube.com/watch?v=px57A5A4iX0
Helsinki, Finland - 2011 http://www.youtube.com/watch?v=MJFYlt9kTc0
Redmond, Washington - 2011 http://www.youtube.com/watch?v=SYmgEW7xu0E
Smaller events from previous years
La Crosse, Wisconsin - 2011 http://www.youtube.com/watch?v=12mGdusQ5oo
Texas A&M University - 2010 http://www.youtube.com/watch?v=I80UWxvk9EM
Henderson, Kentucky - 2009 http://www.youtube.com/watch?v=uaQDLS43ysM
Texas A&M University - 2010 http://www.youtube.com/watch?v=I80UWxvk9EM
Henderson, Kentucky - 2009 http://www.youtube.com/watch?v=uaQDLS43ysM
Other notable synchronized dance celebrations
Mexico City - 2009 - MJ's birthday tribute http://www.youtube.com/watch?v=GyYdpeTQpxA (13,957 dancing zombies)
Prison Inmates - Thriller - 2007 http://www.youtube.com/watch?v=hMnk7lh9M3o
Prison Inmates - They Don't Care About Us - 2010 http://www.youtube.com/watch?v=YRU-tmeixC0 (with Travis Payne )
Prison Inmates - Thriller - 2007 http://www.youtube.com/watch?v=hMnk7lh9M3o
Prison Inmates - They Don't Care About Us - 2010 http://www.youtube.com/watch?v=YRU-tmeixC0 (with Travis Payne )