2011.Apr.21: On their Web site, posted call for revolution

2011.Jul.04: From the @AdBusters account, tweeted:
Dear Americans, this July 4th dream of insurrection against corporate rule http://www.adbusters.org/magazine/95/revolution-america.html #occupywallstreet
(according to research article cited at bottom of this page, not yet verified)

2011.Jul.13: On their Web site, posted call to occupy Wall Street = TinyURL.Com/AdbustOWS

2011.Jul.13: From the @AdBusters account, tweeted something like:
on September 17th, those concerned with corporate greed should meet and protest on Wall Street.
(according to research article cited at bottom of this page, not yet verified)

The above items were gleaned from this research report by Lauren Dugan, which was cited by @bowden2bowden in this tweet, which is at the top of this sequence