A small campus club at the University of Texas at Austin known as the Knighthood of Buh thought that dropping trousers on the first Friday of May was a humorous stunt for the end of the semester. Informal for years, promotion efforts began in 2000. The event attracted attention in other states and several parts of Canada as well as France, Sweden, Australia, Finland, and the United Kingdom.
^"Pants? Who needs pants!". Regina Leader Post. 5 May 2006. Archived from the original on 2014-04-25. Retrieved 2013-04-11. Celebrations have since spread across the U.S., Sweden, Australia, Finland, the United Kingdom and even Iraq. In Canada, pants-free festivities are known to have been held in British Columbia, Alberta, Saskatchewan, Manitoba, New Brunswick, Quebec and Ontario.