Christmas Marketplace and Cookie Walk: 10 a.m.-4 p.m. Dec. 4, Tyler Mahoning Valley Historical Society, 325 W. Federal St., Youngstown. The event will feature artisan crafts and baked goods and candy, from more than 30 vendors. Admission is $4 ($3 for senior citizens and college students and $2 for children). Guests can pay an additional $3 to include a same-day admission to Memories of Christmas Past exhibit at the Arms Family Museum. For information, call 330-743-2589.