Over the years some countries or places have changed name. Which is acceptable?
eg Salisbury, Rhodesia or Harare, Zimbabwe (person lived in Rhodesia before it became Zimbabwe.
Or, a town is listed in England, but over time, converts to Wales. back to England and finally the last time remains part of Wales. People during historic times are listed as being in Monmouthshire, England. More modern times 20C Monmouthshire is Wales.
Ceylon or Sri Lanka?
How do we determine which one to list?