Possible Clues:

• When life in Europe was not fair?
• 'Period of history between classical antiquity and the Italian Renaissance (4,4)'
• Period following Rome's fall
• Certain historical period
• Rag asked to replace 'unenlightened' Times
• Period when night lasts a long time?
• Renaissance preceder
• Period in Europe approx 500 - 1100 AD
• Unenlightened period
• Late 5th century to around AD 1000?