Historical clue formulations

• *Traveler on the Silk Road — 2014-08-26
• Traveler to Cathay — 2012-10-22
• "I have not told half of what I saw" — 2009-06-21
• World traveler from Venice — 2002-10-07
• Favorite at the court of the Great Khan: 2 wds. — 1999-06-06
• Favorite of Kublai Khan — 1995-04-15