It's a good attempt but you might have trouble getting the smaller casual regiments to sign up simply because a lot of them are not active on the forums. And the infantry regs that are active on the forums are ones with large numbers and years of experience.
You probably want to start with adding a general description explaining what you're trying to accomplish in essence. As well as adding your own regiment? Also generally events and such occur at around 8 or 9pm est so you may run into trouble trying to schedule it earlier than those two hours. And you can probably find some regiments right off the bat if you go to different linebattles shown in this forum section and see who attends and just start talking with those regiments during the events.
Good luck!