Ann Arbor prepping for 50th anniversary of Hash Bash marijuana festival – MLive.com

ANN ARBOR, MI — The 50th anniversary of the Hash Bash marijuana festival in Ann Arbor is coming up next month and city officials already are prepping for it.

The cannabis celebration that started in 1972 and attracts thousands of visitors while creating clouds of smoke is scheduled for high noon April 2 on the University of Michigan Diag, coinciding with a return of the Monroe Street Fair.