If you have a 6th grader – sign up to receive the 6th Grade Minnesota History Pass. The pass is good through August 31 of 2016. Sixth graders can visit any Minnesota Historical Site or museum for FREE (excludes field trips, paid programs or specially priced exhibits). Any child who is in 6th grade during the 2015-2016 school year is eligible for the pass. Click here to register for your 6th grade history pass.