- ... that David Ross Boyd, the first president of the University of Oklahoma, planted nearly 10,000 trees on campus during his first 18 months in the post?
- ... that the King road drag, a road grader widely used across North America for grading dirt roads in the early 20th century, was invented by D. Ward King?
- ... that Delaware State Park is not in the U.S. state of Delaware but rather in Ohio?
- ... that Dennis Franklin was the first African American quarterback for the Michigan Wolverines football team?