Historical clue formulations

• One of the Gabor sisters — 2016-02-28
• One of the Gabor sisters — 2014-09-23
• A Gabor sister — 2009-12-07
• One of the Gabor sisters — 2009-06-12
• Heroine of Menotti's opera "The Consul" — 2006-03-24
• Gabor sister — 1993-12-21