World No Tobacco Day - May 31

World Health Organisation(WHO) has earmarked May 31 as 'World No Tobacco Day', to highlight the risks associated with tobacco usage and reduce its consumption .

The theme of this year's 'World No Tobacco Day' is "Ban tobacco advertising, promotion and sponsorship." 

World No Tobacco Day 2013: 10 ads that can make smokers quit

http://ibnlive.in.com/news/world-no-tobacco-day-2013-10-ads-that-can-make-smokers-quit/395149-17.html