it was in the late 80s when the gc leadership refused to sit in the same room to negotiated. i will find you the exact date and the date they met with the russian ambassador and change their minds from first accepting it and then refusing it.
if you want to see akinci hold a cypriot flag, he can do something better.
here he is sitting at buyuk han at a table with gcs and tcs gathering for coffee. he can do no more to show his intentions.