You're going to have to check your local (or state) laws in regards to wrongful termination.Pay particular attention to the wording "accepting resignation immediately" as that is legalize for "lol you're fired but we don't have to give you unemployment or deal with lawsuits".
Whether or not you have a case is really depending on the local laws.
Had you stayed, on the other hand, there were major red flags for possible impending law suits. Sadly, the best thing you could have done for them was put in that two week notice.
My guess is, they were attempting the "stress until she quits" tactic in order to avoid insurance issues and possible other future issues related to your health.
One thing you want to check is if you live in an: Employment in an "At Will" area.
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Astrology Activism: The constant strive to not just learn the intricate details of Astrology but the desire to constantly find new ways to prove that it exists in a scientific manner.
Failure to incorporate the later into your work is akin to learning how to cure cancer but not sharing it with anyone.