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Poster of a large mansion with a curved turret overlaid by bold red text saying mystery at the mansion and red white and blue flag graphics at the bottom

Mystery at the Mansion

Oct 09, 2026 5:30 pm - 8:00 pm

Join us for a dramatic evening of intrigue and excitement at this year’s Mystery at the Mansion! Stars, Stripes, & Secrets is themed around America’s 250th anniversary and will ask you, the audience, to determine the criminal in possession of the stolen Bill of Rights! Near the end of the Civil War, Union soldiers stole a copy of the Bill of Rights, and for over a century, it was missing… until now!

The year is 1976 – America’s Bicentennial – and the director of The History Museum, Jim Sullivan, is contacted by a mysterious individual who wants to sell the stolen Bill of Rights! With the help of the FBI and Gertrude Oliver Cunningham, Jim Sullivan sets up a Bicentennial Ball at Copshaholm as a sting operation to catch the culprit in the act. But when the sale goes wrong, all the ball attendees suddenly become suspects. Inspired by real events, this is one mystery you won’t want to miss!

Tickets are $25/general and $20/members. Reservations are strongly recommended. Tours are limited; stair climbing in required.

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MEMBERS: Please sign in to receive access to your membership discount. If you have difficulty receiving your membership discount, please contact Julie Maruk at (574) 235-9664, ext. 6230.

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Details

  • Start: October 9 @ 5:30 pm
  • End: October 16 @ 8:00 pm

Venue

  • The History Museum
  • 808 W. Washington St.
    South Bend, IN 46601 United States
    + Google Map
  • Phone 574-235-9664