Actually, the way I understand it, there are several events planned during this time period of Sept 10 through Sept 13, organized by various grassroots organizations. The 09-12-09 March on Washington is just one. The National Sponsor is Freedom Works Foundation.
Here is the organizer’s official page:
The list of co-sponsors is growing.
Thank you. Freedomworks says they have 10,000 registered 2 months out.
Is that site linked at the top of the page somewhere?