So I just figured out that June 2nd is the national "Breakup Day" . An excellent concept from Budweiser, countering all those feel good type occasions promoted by Archie's and Hallmark. So after you befriend her on the Friendship Day (or was that an entire week you had?), and celebrate your love on Valentine's Day - there has to be a way to get rid of her sweetly, and then what is the best way to drown your sorrows than plunging into Budweiser? Marketed efficiently - you can soon end up with breakup cards and breakup gifts.
I remember in my school and college days some of my male friends became invisible on Rakhi days - fearing some girl would try to tie them into brotherhood. This can produce a similar effect - the people having a troubled relationship would probably try to stay away from each other - although in this Internet age - that becomes almost impossible. Budweiser even suggests some nice (or not so nice, depending on your perspective) breakup lines, in case one is too shy to find their own and still want to "celebrate"!
And in case you did not know - there is a "Singles Awareness Day" too.