The month of May has been home to many historical events over the years. Here’s a look, courtesy of Newspaper Metro, at some that helped to shape the world in May 1924.
· Iodized salt is introduced in the United States on May 1. Iodized salt is now used in table salt across the globe, and its introduction to the U.S. is credited to Canadian-born pediatrician David Murray Cowie, who ultimately…