1 p.m. May 11 – Ohio Wesleyan’s 175th commencement ceremony, featuring keynote speaker Diane Y. Petersen, M.D., OWU Class of 1966, in front of Merrick Hall, 65 S. Sandusky St., Delaware. In 1965, Petersen made history when she became the first African American woman in the nation to be initiated into the Delta Delta Delta sorority. Throughout her life, the now-retired otolaryngologist/head and neck surgeon continued to break barriers. The commencement ceremony, including Petersen’s remarks, will be streamed live online at www.owu.edu/stream. Learn more at www.owu.edu/commencement.