Arthur 's Day was an annual series of music events Social_event worldwide , originally organised Arranging by Diageo in 2009 to promote Cause_to_make_progress the 250th anniversary of its Guinness brewing company .

The event Social_event was also dubbed Name_conferral `` Diageo Day '' by The Huffington Post to promote Cause_to_make_progress a boycott Agree_or_refuse_to_act of the event Social_event .