The first day of December is designated as "Rosa Parks Day," in honor of the woman who helped usher in the modern civil rights movement on that day in 1955 by refusing to give up her seat on a bus in Montgomery, Alabama.
Rosa Parks Day
Ohio Rev. Code Ann. § 5.2231, under Chapter 5 | State Insignia; Seals; Holidays.
Ohio Rev. Code Ann. § 5.2231