Visit Fort Gibson Historic Site for Spring Bake Day on Saturday, March 30, at 10 a.m. The aroma of fresh-baked bread will fill the air on Garrison Hill as OHS staff and volunteers bring the bakehouse to life. Enjoy bread making demonstrations in the original wood-fired oven from 1863. Visitors can even sample the finished product! Purchase a coffee mug in the gift shop and the bakers will be happy to fill it up. Bake Day is a fundraiser and…