12April 9:00 am - 4:00 pm Daily African Art: Form, Function, and Fraught Histories Exhibit Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
12April 9:00 am - 5:00 pm Daily Special Exhibit: Inside President Hayes’ Library Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
12April 9:00 am - 4:00 pm Daily New Exhibition—Trailblazers of Innovation: African American Inventors Who Changed America Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
12April 9:00 am - 5:00 pm Daily Special exhibit: “Welcome to the World’s Fair: Philadelphia 1776” Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
12April 10:00 am - 5:00 pm Daily 1950s: Building the American Dream Explore 1950s pop culture, a Lustron steel house and more! Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
12April 10:00 am - 5:00 pm Daily World War I-Era Collections Display, 1914-1919 See a special display commemorating the centennial of the United States entering World War I. Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
12April 10:00 am - 5:00 pm Daily Hide and Seek: Finding Young Ohioans in the Archives Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
12April 10:00 am - 5:00 pm Daily Village Visions Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
13April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
14April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
15April 10:00 am - 12:00 pm Apr. 15 2026 WOSU Stories Written on the Land Screenings Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
15April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
16April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
16April 2:00 pm - 4:00 pm Apr. 16 2026 Talk & Tour: James Webb Telescope Location : Armstrong Air & Space Museum Address : 500 Apollo Drive, Wapakoneta, OH, USA
16April 6:00 pm - 7:00 pm Apr. 16 2026 Monuments of the Ohio Valley Exhibit Reception Location : Newark Earthworks Address : 125 N. 33rd St., Newark, OH 43055
16April 7:00 pm - 8:00 pm Apr. 16 2026 Newark Earthworks Lecture Series Location : Newark Earthworks Address : 125 N. 33rd St., Newark, OH 43055
17April 9:00 am - 2:00 pm Apr. 17 2026 Zoar Spring Homeschool Day Location : Zoar Village Address : 198 Main Street, Zoar, OH, USA
17April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
17April 12:00 pm - 1:00 pm Apr. 17 2026 Discovering History—Ric Sheffield Location : Campus Martius Museum Address : 601 2nd Street, Marietta, OH, USA
17April 1:00 pm - 2:30 pm Apr. 17 2026 Third Friday Archaeology Tour Location : Fort Ancient Earthworks & Nature Preserve Address : 6123 State Route 350, Oregonia, OH, USA
17April 2:00 pm - 3:30 pm Apr. 17 2026 Third Friday Tours at the Octagon Earthwork with Brad Lepper Location : Octagon Earthworks Address : 125 N. 33rd St., Newark, OH 43055
18April 10:00 am - 5:00 pm Apr. 18 2026 World Heritage Day Open House Location : Newark Earthworks Address : Great Circle Earthworks and Museum, a UNESCO World Heritage Site, Hebron Road, Heath, OH, USA
18April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
18April 11:00 am - 4:00 pm Apr. 18 2026 Talk & Tour: James Webb Telescope Location : Armstrong Air & Space Museum Address : 500 Apollo Drive, Wapakoneta, OH, USA
18April 1:00 pm - 2:00 pm Apr. 18 2026 Speaking of History… The Towboat W.P. SNYDER Jr. Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
18April 5:30 pm - 8:30 pm Apr. 18 2026 “Fen”tastic Fundraiser Location : Cedar Bog Nature Preserve Address : 980 Woodburn Road, Urbana, OH, USA
19April 9:00 am - 4:00 pm Daily African Art: Form, Function, and Fraught Histories Exhibit Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
19April 9:00 am - 5:00 pm Daily Special Exhibit: Inside President Hayes’ Library Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
19April 9:00 am - 4:00 pm Daily New Exhibition—Trailblazers of Innovation: African American Inventors Who Changed America Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
19April 9:00 am - 5:00 pm Daily Special exhibit: “Welcome to the World’s Fair: Philadelphia 1776” Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
19April 10:00 am - 5:00 pm Daily 1950s: Building the American Dream Explore 1950s pop culture, a Lustron steel house and more! Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
19April 10:00 am - 5:00 pm Daily World War I-Era Collections Display, 1914-1919 See a special display commemorating the centennial of the United States entering World War I. Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
19April 10:00 am - 5:00 pm Daily Hide and Seek: Finding Young Ohioans in the Archives Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
19April 10:00 am - 5:00 pm Daily Village Visions Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
19April 10:00 am - 2:00 pm Apr. 19 2026 Vintage Base Ball Day Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
19April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
19April 1:00 pm - 2:30 pm Apr. 19 2026 Spring Wildflower Walks Location : Wahkeena Nature Preserve Address : 2200 Pump Station Road Southeast, Sugar Grove, OH, USA
19April 4:00 pm - 7:00 pm Apr. 19 2026 Conestoga Fundraiser Location : Bob Crane Community Center Address : 3200 Tremont Rd, Upper Arlington, OH 43221
20April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
21April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
21April 6:00 pm - 7:45 pm Apr. 21 2026 Moving Stories Writing Circle Location : Harriet Beecher Stowe House Address : 2950 Gilbert Avenue, Cincinnati, OH, USA
21April 7:00 pm - 9:00 pm Apr. 21 2026 The Land of US Grant: US Grant Days 2026 Location : U.S. Grant Boyhood Home & Schoolhouse Address : 219 East Grant Avenue, Georgetown, OH, USA
22April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
23April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
23April 12:30 pm - 1:45 pm Apr. 23 2026 Cedar Bog Old Growth Forest Network Dedication Location : Cedar Bog Nature Preserve Address : 980 Woodburn Road, Urbana, OH, USA
23April 7:30 pm - 8:30 pm Apr. 23 2026 The Land of US Grant: US Grant Days 2026 Location : U.S. Grant Boyhood Home & Schoolhouse Address : 219 East Grant Avenue, Georgetown, OH, USA
24April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
24April 10:30 am - 11:30 am Apr. 24 2026 Octagon Homeschool Days Location : Octagon Earthworks Address : 125 N. 33rd St., Newark, OH 43055
24April 1:30 pm - 3:00 pm Apr. 24 2026 Serpent Mound Archaeology Tour Location : Serpent Mound Address : 3850 State Route 73, Peebles, OH, USA
25April 10:00 am - 4:00 pm Apr. 25 2026 Zane Grey Family Day Location : National Road & Zane Grey Museum Address : 8850 East Pike, Norwich, OH, USA
25April 10:00 am - 11:00 am Apr. 25 2026 Pasting and Preserving Ohio History Through Scrapbooks Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
25April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
25April 10:30 am - 5:00 pm Apr. 25 2026 The Land of US Grant: US Grant Days 2026 Location : U.S. Grant Boyhood Home & Schoolhouse Address : 219 East Grant Avenue, Georgetown, OH, USA
25April 12:00 pm - 2:00 pm Apr. 25 2026 Earth Day Walk Location : Cedar Bog Nature Preserve Address : 980 Woodburn Road, Urbana, OH, USA
25April 2:00 pm - 4:00 pm Apr. 25 2026 Ohio Village Muffins at Zane Grey Location : National Road & Zane Grey Museum Address : 8850 East Pike, Norwich, OH, USA
26April 9:00 am - 4:00 pm Daily African Art: Form, Function, and Fraught Histories Exhibit Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
26April 9:00 am - 5:00 pm Daily Special Exhibit: Inside President Hayes’ Library Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
26April 9:00 am - 4:00 pm Daily New Exhibition—Trailblazers of Innovation: African American Inventors Who Changed America Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
26April 9:00 am - 5:00 pm Daily Special exhibit: “Welcome to the World’s Fair: Philadelphia 1776” Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
26April 10:00 am - 5:00 pm Daily 1950s: Building the American Dream Explore 1950s pop culture, a Lustron steel house and more! Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
26April 10:00 am - 5:00 pm Daily World War I-Era Collections Display, 1914-1919 See a special display commemorating the centennial of the United States entering World War I. Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
26April 10:00 am - 5:00 pm Daily Hide and Seek: Finding Young Ohioans in the Archives Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
26April 10:00 am - 5:00 pm Daily Village Visions Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
26April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
26April 1:00 pm - 2:30 pm Apr. 26 2026 Spring Wildflower Walks Location : Wahkeena Nature Preserve Address : 2200 Pump Station Road Southeast, Sugar Grove, OH, USA
26April 1:30 pm - 3:00 pm Apr. 26 2026 The Land of US Grant: US Grant Days 2026 Location : U.S. Grant Boyhood Home & Schoolhouse Address : 219 East Grant Avenue, Georgetown, OH, USA
27April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
28April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
28April 2:00 pm - 3:00 pm Apr. 28 2026 Reading from the President’s Library Book Club Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
29April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
29April 12:00 pm - 1:00 pm Apr. 29 2026 Presidential History Book Club Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
30April 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
01May 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
01May 11:00 am - 12:00 pm May. 01 2026 First Friday Tours at the Great Circle with Brad Lepper Location : Newark Earthworks Address : Great Circle Earthworks and Museum, a UNESCO World Heritage Site, Hebron Road, Heath, OH, USA
01May 12:00 pm - 1:00 pm May. 01 2026 Discovering History—Mark Holbrook Location : Campus Martius Museum Address : 601 2nd Street, Marietta, OH, USA
01May 1:00 pm - 2:30 pm May. 01 2026 First Friday Archaeology Tour Location : Fort Ancient Earthworks & Nature Preserve Address : 6123 State Route 350, Oregonia, OH, USA
02May 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
02May 11:00 am - 4:00 pm May. 02 2026 Explore! Series: Rockets Red Glare Location : Armstrong Air & Space Museum Address : 500 Apollo Drive, Wapakoneta, OH, USA
03May 9:00 am - 4:00 pm Daily African Art: Form, Function, and Fraught Histories Exhibit Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
03May 9:00 am - 5:00 pm Daily Special Exhibit: Inside President Hayes’ Library Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
03May 9:00 am - 4:00 pm Daily New Exhibition—Trailblazers of Innovation: African American Inventors Who Changed America Location : National Afro-American Museum & Cultural Center Address : 1350 Brush Row Road, Wilberforce, OH, USA
03May 9:00 am - 5:00 pm Daily Special exhibit: “Welcome to the World’s Fair: Philadelphia 1776” Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
03May 9:30 am - 5:00 pm Daily Spring Plant Sale Location : Adena Mansion & Gardens Address : 847 Adena Road, Chillicothe, OH, USA
03May 10:00 am - 5:00 pm Daily 1950s: Building the American Dream Explore 1950s pop culture, a Lustron steel house and more! Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
03May 10:00 am - 5:00 pm Daily World War I-Era Collections Display, 1914-1919 See a special display commemorating the centennial of the United States entering World War I. Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
03May 10:00 am - 5:00 pm Daily Hide and Seek: Finding Young Ohioans in the Archives Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
03May 10:00 am - 5:00 pm Daily Village Visions Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
03May 10:00 am - 5:00 pm Daily Spirit of the Centennials Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
03May 12:00 pm - 2:00 pm May. 03 2026 Historical Miniatures Gaming at the Ohio History Center Location : Ohio History Center Address : 800 East 17th Avenue, Columbus, OH, USA
03May 1:00 pm - 2:30 pm May. 03 2026 Spring Wildflower Walks Location : Wahkeena Nature Preserve Address : 2200 Pump Station Road Southeast, Sugar Grove, OH, USA
03May 2:00 pm - 4:00 pm May. 03 2026 Using Land and Deed Records Genealogy Class Location : Rutherford B. Hayes Presidential Library & Museums Address : Spiegel Grove - home of Rutherford B. Hayes, Fremont, OH, USA
03May 2:00 pm - 4:00 pm May. 03 2026 Ohio Village Muffins & Diamonds Vintage Base Ball Game Location : Madison County Historical Society Address : 260 E. High St London, OH 43140