Historical clue formulations

• 1943 Churchill conference site — 2016-03-04
• Turkish city or province — 2011-11-12
• Turkish province or its capital — 2011-10-21
• Turkish province or its capital — 2006-10-27
• Turkish city — 2001-05-29
• Turkey's fourth-largest city — 1998-11-28
• Turkish city, site of a 1943 Churchill conference — 1998-04-25
• Turkish city — 1994-09-06
• Turkish city — 1994-05-29