DOn't change our subject now. We talked about who left USSR firrst Russia or Ukraine.
SO did you check my post about Ukraine Independence Day? Did you find that it is in August but Russian one in June?
There it is, I found the 1990 event I mentioned before. July 16, 1990.
Enjoy: http://www.ukrweekly.com/Archive/2000/290014.shtml
http://www.iwrp.org/CEDAW/ukraine.pdf#search='Ukraine%201990%20July%2016'