BLUFFTON — Swiss Day will be celebrated with a potluck dinner at 12:30 p.m. Sunday at Ebenezer Mennonite Church, 8905 Columbus Grove Road, Bluffton.

The public is invited to bring a hot and cold dish to share.

After lunch, a brief business meeting will be held for members, followed by the program “Swiss Roots and Beaver Branches — A Bluffton Family Tree,” by Carrie Phillips. She is the archives and special collections librarian at Bluffton University’s Musselman Library.

Swiss Day participants can join or renew their Swiss Community Historical Society membership. The Schumacher Homestead, 8350 Bixel Road, Bluffton, will be open for visitors after the program.