dec 29, 1963 - After the U.S. surgeon general determines that smoking is "hazardous to your health," The New Yorker and other magazines ban cigarette ads.
Ogilvy, Benson & Mather merges with London-based parent company Mather & Crowther, to form Ogilvy & Mather.
NBC drops its ban on comparative advertising. ABC and CBS don't follow suit until 1972.
