The Movie Timeline - of all the movie timelines on all the net, you walked into this one
American Wedding - timeline
June: After graduating from college, Jim proposes to Michelle.
Saturday 19th July: Steve Stifler crashes Jim and Michelle's engagement party.
Tuesday 29th July: Jim tells Michelle that he's having trouble writing his wedding vows.
Thursday 31st July: A bachelor party goes wrong and Stifler blames Finch to make himself look good in front of Michelle and Cadence's parents.
Friday 1st August: Jim shaves his pubic region. Stifler takes the wedding ring out of dog faeces, eats the faeces, and later causes the death of flowers for the wedding. He tries to repair the damage.
Saturday 2nd August: Stifler accidentally has sex with Jim's grandma when he mistakes her for Cadence. Jim Levenstein and Michelle Flaherty get married. Finch and Stifler's mom go to a hotel room. Justin and John watch them in the bath tub.