I think you have done quite enough peacelily to placate what sounds like a very controlling and demanding daughter. As others have said, I would keep the lines of communication loosely open but not allow this to dominate your life. I know it's difficult to just let it be but that's what I would do for the moment.
Give her time and space to think about her behaviour, which I think is very grasping and unreasonable. (She says that she has been angry with you for 20 years about the break-up with your ex but it seems rather a coincidence that this supposed anger has erupted now that an inheritance is involved. It sounds more like she is trying to find reasons to behave badly).
The money was left to you by somebody who valued you and wanted you to have it. It was therefore incredibly nice of you to give it to someone else - especially someone so unappreciative of your kindness.
Hysteroscopy using spinal block/epidural


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