What advertised phrase Born 1820 still going strong

Question
Operation Market Garden WW2 involved the invasion of where?
Answer
Arnham

Question
Who built The Flamingo hotel in Las Vegas?
Answer
Bugsy Siegel

Question
If you landed at Lindberg airport where are you?
Answer
San Diego

Question
The Brownies ( junior Girl Guides) used to be named what?
Answer
The Rosebuds

Question
Who was the mother of Castor and Pollux?
Answer
Helen of Troy