• Auglaize County Historical Society presents a Smithsonial Institution Traveling Exhibition, “World War I: Lessons and Legacies” at the White Memorial Library, 108 E. Wapakoneta St., Waynesfield through Oct. 31. Monday, Tuesday and Thursday, 3 to 7:30 p.m.; Saturday, 10 a.m. to 12:30 p.m. Free. 419-738-9328.
• Maria Stein Shrine of the Holy Relics, 2291 St. John’s Road, Maria Stein, exhibits the Halhotra Collection of art honoring Mother Teresa through December. Hours: Monday through Thursday, 9:30 a.m. to 6 p.m.; Friday and Saturday, 9:30 a.m. to 4 p.m.; Sunday, noon to 4 p.m. Free. 419-925-4532.
• Shelby County Historical Society exhibits “Turmoil during the First Quarter of the 20th Century” in the Ross Historical Center, 201 N. Main Ave. The exhibit continues through October. Monday through Friday, 1 to 5 p.m.; Saturday, 9 a.m. to noon. Free. 498-1653.
• Billy Ireland Cartoon Library & Museum at Ohio State University, 110 Sullivant Hall, 1813 N. High St., Columbus, exhibits “Artistically Mad: Seven Decades of Satire” through Oct. 21. Open Tuesday through Saturday from 1 to 5 p.m. Free. 614-292-0538.
• La Comedia Dinner Theatre, 765 W. Central Ave., Springboro, presents “Clue, the Musical” through Oct. 28. Tickets: $61-$75, includes dinner. Times vary. 800-677-9505.
• The Ohio Renaissance Festival runs Saturdays and Sundays through Oct. 28, from 10:30 a.m. to 6 p.m. in the park at 10542 E. state Route 73, Waynesville. Food, entertainment, costumes, games, crafts. Admission: $23 adults, $9.50 children 5 to 12. 888-695-0888.
• Piqua Public Library, 116 W. High St., Piqua, exhibits the Ohio History Connection and National Afro-American Museum & Cultural Center’s traveling exhibit, “Freed Will: The Randolph Freedpeople from Slavery to Settlement, through Nov. 1. 973-773-6753.
• David Owsley Museum of Art at Ball State University in Muncie, Indiana, exhibits work by Edward Gorey, “Gorey’s Worlds,” which through Dec. 21. Hours: 9 a.m. to 4:30 p.m., Monday through Friday; 1:30 to 4:30 p.m., Saturday and Sunday. And presents a talk by the exhibit curator, Erin Monroe, Oct. 11, at 5 p.m. Admission free. 765-285-5242.
• Covered Wagon Farm Market, 607 N. Main St., Union, hosts Fall Harvest Days through Saturday. Free cookies and pie, pumpkin patch, guess the pumpkin weight. 937-832-0807.
• Troy-Hayner Cultural Center, 301 W. Main St., Troy, displays the Ohio Watercolor Society’s 2018 Juried Members Exhibition through Nov. 25. Free. 937-339-0457.
• Wild Goose Creative, 2491 Summit St., Columbus, exhibits “Consequences of Rust,” through Oct. 24. 614-859-9453.
• Amos Memorial Public Library, 230 E. North St., exhibits Cuban art from Baracoa, Cuba, through October. Free.
• Today is the deadline to register for a bat box workshop scheduled for Saturday from 2 to 4 p.m. at Brukner Nature Center, 5995 Horseshoe Bend Road, Troy. Kit: $45; workshop free for members, $5 nonmembers. 937-698-6493.
• Amvets Post 1986, 1319 Fourth Ave., hosts a fish and chicken fry from 4 to 7 p.m. Dine in or carry out. Meals: $7.
• Sidney Knights of Columbus No. 659, 1300 N. Fourth Ave., hosts a fish fry from 5 to 7:30 p.m. Meals: $8 adults eat-in, $7.50 adults carry-out; $4 children under 12.
• Dayton Art Institute, 456 Belmonte Park N., Dayton, presents “The Good Humor Man: The Art of Humor” featuring Pat Hazell at 7:30 p.m. Tickets: $22 members, $25 nonmembers at the door. 937-223-4278.
• Chainer’s Field of Screams, 16488 county Road 25A, Botkins, a haunted field, is open today, Saturday, Oct. 19 and 20, at 8 p.m.
• Miami Valley Centre Mall, 987 E. Ash St., Piqua, hosts the Sports Cards & Collectibles Show today and Saturday from 10 a.m. to 9 p.m., Sunday from noon to 6 p.m. Ickey Woods autograph session Saturday 2 to 4 p.m. Admission free.
• Wheat Ridge, 817 Tater Ridge Road, West Union, hosts the 10th annual Wheat Ridge Olde Thyme Herb Fair and Harvest Celebration today through Sunday from 1 to 5 p.m. Herbs, food, rafts, antiques, entertainment, antique tractors, pumpkin cannon. Parking fee: $5 per car. 937-544-8252.
• Pasco United Methodist Church, 17483 state Route 706, Pasco, hosts Pancake Day from 8 a.m. to noon. Meals: $5 adults; $3 children 12 and under.
• Dayton Area Mensa offers a membership qualifying test at 1 p.m. in the Kettering-Moraine Branch Library, 3496 Far Hills Ave., Kettering. Fee: $30. firstname.lastname@example.org.
• Brukner Nature Center, 5995 Horseshoe Bend Road, Troy, presents Haunted Woods today, Sunday, and Oct. 27-28, from 6:30 to 8 p.m. Guided night hike, live animals, face painting, games, storytelling, campfire, refreshments. Admission: $5 members, $7 nonmembers, children 2 and under free. 937-698-6493.
• Moon City Music and Event Center, 1208 Lunar Drive, Wapakoneta, presents Harbourtown in concert at 7 p.m. Tickets: $10 at email@example.com and at the door.
• The Great Sidney Farmers Market runs from 8 a.m. to noon on the courtsquare in downtown Sidney.
• La Comedia Dinner Theatre, 765 W. Central Ave., Springboro, presents “Click, Clack, Boo!” for children today through Monday at 11:45 a.m. Tickets: $10, includes a box lunch. 800-677-9505.
• Sidney Alive hosts a fall festival for children up to 12 on the courtsquare in downtown Sidney from 10 a.m. to 1 p.m. Trick-or-treating, costume contest registration ends at 10:45 a.m., activities.
• Oak Harbor Chamber of Commerce presents the Oak Harbor Apple Festival today and Sunday in downtown Oak Harbor. Contests, 5K run, crafts, beer tent, tournaments, parade, food. Festival admission free; entertainment admission $5. www.oakharborohio.net.
• Dayton Art Institute, 456 Belmonte N., Dayton, offers an artventure for families, “Painted Pumpkins,” from 1 to 3:30 p.m. Admission: $10 family of four members; $15 family of four nonmembers; $2 each additional child. 937-223-4278.
• Hugs for Henry, to benefit Henry Springer, runs from 7 p.m. to midnight in the Sacred Heart Parish Activity Center, 9377 state Route 119 W., McCartyville. Meal, cash bar, auction, entertainment. Tickets in advance: $12 at www.eventbrite.com; $15 at the door.
• Sidney Haunted Woods, 2232 W. Russell Road, opens just after dark and runs until midnight, today, Oct. 20 and 27. Admission: $11 adults, $8 children under 12 and military personnel, $10 first responders.
• Maria Stein Shrine, 2291 St. John’s Road, Maria Stein, hosts Women’s Day of Faith, Fun and Friendship from 10 a.m. to 4 p.m. Mass, vendors, inspirational talks, Shrine and Canvas by Tim Langenderfer. Admission free except $30 for Shrine and Canvas. Advance reservations required at 419-925-4532.
• Amos Memorial Public Library, 230 E. North St., distributes free books to children in prekindergarten through fifth grade and free pie to everyone at 11 a.m. and presents a puppet show at noon. Admission free.
• Dayton Philharmonic Orchestra presents “Bernstein and Brahms” in its Sundae Classics series, at 3 p.m. in the Schuster Center in downtown Dayton. Tickets: $12-$44, includes free ice cream. www.daytonperformingarts.org.
• Garst Museum, 205 N. Broadway, Greenville, presents a talk by Kathy Creighton, “The First Toolmakers: Native Americans of the Miami Valley,” at 2 p.m. Admission to talk is free. Admission to tour museum is free for members and children 5 and under, $10 adults, $90 seniors 60 and older, $7 children 6-17. 937-548-5250.
• Sidney American Legion Post No. 217 hosts a Sunday brunch buffet, open to the public, at the post hall, 1265 Fourth Ave., from 9 a.m. to 12:30 p.m. Meals: $9 adults, $5 children 6 to 12, children 5 and under free.
• Stallo Memorial Library and the village of Minster host the Harvest Festival in Four Seasons Park in Minster from 5:30 to 7 p.m. Games, hayride, haunted house, refreshments. Free.
• Lock One Community Arts presents the DooWop Project in concert at 3 p.m. in Dicke Auditorium in New Bremen High School, 901 W. Monroe St., New Bremen. Tickets: $30 adults; $10 students at Western Ohio True Value, 4405 state Route 66, Minster, and at the door. 567-356-2048.
• Stallo Memorial Library in Minster will host a book-signing by Julia Monnin, author of “The World Is Noisy, God Whispers” at 6 p.m. Free.
• New Bremen Public Library offers Move and Groove to the Music for children in kindergarten through third grade at 6:30 p.m. Advance registration required at 419-629-2158.
• New Knoxville Community Library hosts Make Monday, a craft for children in fourth grade and older at 3 p.m. Advance registration required at 419-753-2724.
• Shelby County Relay for Life hosts a quarter auction at 6 p.m. in the Moose Lodge, 1200 Broadway St. 937-489-8867.
• Darke County Parks hosts Project FeederWatch, bird-watching, from 9:30 to 11:30 a.m. today and 3 to 5 p.m., Wednesday in the Nature Center, 4267 state Route 502, Greenville. Take binoculars. Free.
• New Bremen Public Library celebrates World Food Day with International Snack Night from 6 to 7 p.m. and offers story time for children up to first grade at 6:30 p.m. Take a donation of packaged food for a food bank to snack night. 419-629-2158.
• Stallo Memorial Library in Minster hosts story time at 10:30 a.m.
• Circleville Pumpkin Show opens today at 5 p.m. and runs through Oct. 20 at East Franklin and South Pickaway streets, Circleville. Entertainment, food, rides, pumpkin awards, crafts, parades. www.pumpkinshow.com.
• Raise the Roof for the Arts screens “The Addams Family” at 7 p.m. in the Historic Sidney Theatre, 120 W. Poplar St. Free.
• Edison State Community College, 1973 Edison Drive, Piqua, presents Evan Wecksell in concert in the cafeteria at 11 a.m. and 1 p.m. Free.
• Amvets Post 1986, 1319 Fourth Ave., hosts wing night from 4 to 7 p.m. Dine in wings, 60 cents each; carry out wings 70 cents each.
• New Knoxville Community Library hosts the Lego Builders club for all ages at 3 p.m.
• Wilson Health hosts Brake for Breakfast, a free breakfast to people who drive through at 1205 Fairington Drive, from 6 to 9 a.m.
• Ohio State Beauty Academy presents “Tim Burton-The Character Collection” a student hair- and costume-design competition, open to the public, in the University of Northwest Ohio Event Center, 1450 N. Cable Road, Lima, at 6:30 p.m. Free.
• Friends of the Troy-Miami County Public Library host a book sale at the Miami County Fairgrounds, 650 N. county Road 25A, Troy, today from 6 to 8 p.m. and Oct. 19 through Oct. 21, from 10 a.m. to 3 p.m. 937-339-0502.
• New Bremen Public Library offers story time for children up to first grade at 10:30 a.m., the Mad Scientists Club for children at 3:30 p.m. and a Pinterest craft for adults at 1 and 6:30 p.m. Advance registration required for craft at 419-629-2158.
• New Knoxville Community Library offers family story time for children in kindergarten and younger at 10:30 a.m. and an adult craft, make a terrarium, at 6 p.m. Advance registration required for craft at 419-753-2724.
Compiled by Patricia Ann Speelman. Submit event notices to firstname.lastname@example.org.