Historical clue formulations

• Cab Calloway's signature line — 2011-01-11
• Cab Calloway catchphrase — 2006-04-09
• Cab Calloway's signature line — 2005-06-19
• Cab Calloway's "kingdom" — 2004-12-31
• Cab Calloway, King of ___ — 2003-12-18
• Cab Calloway catchphrase — 2002-08-04
• Cab Calloway's signature line — 2002-06-16