The tradition was started by bar owners in Oxford, Ohio, and is celebrated annually on the Thursday before Miami University's spring break.
Green beer was consumed in Oxford on St. Patrick's Day (March 17)[3] prior to the university calendar change just as it was all over the country.
[11] Miami changed its timing of its Spring Break in 2009, allowing students to celebrate both Green Beer Day and St. Patrick's Day; when asked if the change was intended to allow Miami students to celebrate twice, Steve Snyder, the executive assistant to the President of the university, responded, "Miami University has nothing whatsoever to do with Green Beer Day.
[5] After the death of a student in 2017 from alcohol-related issues, Miami University President Gregory Crawford met with community leaders to combat binge drinking culture in preparation for Green Beer Day.
[10] Before Green Beer Day, Miami's student government launched a campaign called "Life is Priceless" encouraging students to call 911 and highlighting Miami's Good Samaritan policy.