Augusta Rodeo set to return this summer after cancelation last year Augusta Montana Area Chamber of Commerce By: MTN News and last updated 2021-05-03 20:54:14-04 While coronavirus forced its cancellation in 2020, the Augusta American Legion Rodeo is returning for 2021, with festivities happening all weekend long, from June 25-27, 2021. âLast year was the first time in history that the rodeo didnât happen,â said Ben Arps, chairman of the Augusta American Legion Rodeo. âThis year, we canât wait to welcome rodeo athletes, rodeo lovers and visitors back to our small Montana town.â The rodeo will be on Sunday, June 27 at 2 p.m.