Bonza Bottler Day is celebrated once a month when the number of the month coincides with the number of the day (Jan.

Bonza Bottler Day is celebrated once a month when the number of the month coincides with the number of the day (Jan. 1, Feb. 2, March 3, etc.).
http://betsblog.typepad.com/weblog/2008/08/happy-bonza-bottler-day.html