50 Years After a Tornado Warning, an Oklahoma High School Class GraduatesIn 1974, a high school commencement ceremony in Moore, Okla., was interrupted by a tornado warning. Decades later, students finally turned their tassels.
Source: 50 Years After a Tornado Warning, an Oklahoma High School Class Graduates (https://www.nytimes.com/2024/06/09/us/oklahoma-graduation-tornado-warning.html)